/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 15:17:46,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 15:17:46,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 15:17:46,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 15:17:46,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 15:17:46,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 15:17:46,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 15:17:46,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 15:17:46,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 15:17:46,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 15:17:46,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 15:17:46,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 15:17:46,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 15:17:46,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 15:17:46,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 15:17:46,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 15:17:46,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 15:17:46,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 15:17:46,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 15:17:46,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 15:17:46,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 15:17:46,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 15:17:46,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 15:17:46,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 15:17:46,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 15:17:46,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 15:17:46,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 15:17:46,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 15:17:46,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2021-03-24 15:17:46,821 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 15:17:46,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 15:17:46,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 15:17:46,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 15:17:46,822 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 15:17:46,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 15:17:46,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 15:17:46,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 15:17:46,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 15:17:46,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 15:17:46,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 15:17:46,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 15:17:46,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 15:17:46,823 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 15:17:46,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 15:17:46,823 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 15:17:46,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 15:17:46,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 15:17:46,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 15:17:46,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 15:17:46,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 15:17:46,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 15:17:46,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 15:17:46,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 15:17:46,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 15:17:46,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 15:17:46,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 15:17:46,825 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 15:17:46,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 15:17:46,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 15:17:47,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 15:17:47,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 15:17:47,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 15:17:47,057 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-24 15:17:47,058 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-24 15:17:47,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl [2021-03-24 15:17:47,059 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl' [2021-03-24 15:17:47,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 15:17:47,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-24 15:17:47,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 15:17:47,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 15:17:47,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 15:17:47,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/1) ... [2021-03-24 15:17:47,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/1) ... [2021-03-24 15:17:47,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 15:17:47,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 15:17:47,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 15:17:47,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 15:17:47,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/1) ... [2021-03-24 15:17:47,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/1) ... [2021-03-24 15:17:47,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/1) ... [2021-03-24 15:17:47,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/1) ... [2021-03-24 15:17:47,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/1) ... [2021-03-24 15:17:47,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/1) ... [2021-03-24 15:17:47,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/1) ... [2021-03-24 15:17:47,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 15:17:47,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 15:17:47,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 15:17:47,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 15:17:47,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 15:17:47,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-24 15:17:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-24 15:17:47,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-24 15:17:47,201 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-24 15:17:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-24 15:17:47,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-24 15:17:47,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-24 15:17:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 15:17:47,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 15:17:47,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-24 15:17:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-24 15:17:47,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-24 15:17:47,203 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-24 15:17:47,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-24 15:17:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-24 15:17:47,203 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 15:17:47,429 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 15:17:47,429 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-24 15:17:47,430 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-24 15:17:47,430 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-03-24 15:17:47,430 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-03-24 15:17:47,431 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-03-24 15:17:47,432 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 03:17:47 BoogieIcfgContainer [2021-03-24 15:17:47,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 15:17:47,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 15:17:47,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 15:17:47,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 15:17:47,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.03 03:17:47" (1/2) ... [2021-03-24 15:17:47,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bee532 and model type parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 03:17:47, skipping insertion in model container [2021-03-24 15:17:47,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 03:17:47" (2/2) ... [2021-03-24 15:17:47,436 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1.wvr.bpl [2021-03-24 15:17:47,453 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 15:17:47,455 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-24 15:17:47,456 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 15:17:47,506 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-24 15:17:47,517 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-24 15:17:47,530 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 15:17:47,530 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 15:17:47,530 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 15:17:47,531 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 15:17:47,531 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 15:17:47,531 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 15:17:47,531 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 15:17:47,531 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 15:17:47,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 29 transitions, 90 flow [2021-03-24 15:17:47,551 INFO L129 PetriNetUnfolder]: 4/25 cut-off events. [2021-03-24 15:17:47,551 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-24 15:17:47,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 25 events. 4/25 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 23 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-03-24 15:17:47,553 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 29 transitions, 90 flow [2021-03-24 15:17:47,556 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 23 transitions, 70 flow [2021-03-24 15:17:47,557 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 15:17:47,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 23 transitions, 70 flow [2021-03-24 15:17:47,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 23 transitions, 70 flow [2021-03-24 15:17:47,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 23 transitions, 70 flow [2021-03-24 15:17:47,571 INFO L129 PetriNetUnfolder]: 4/23 cut-off events. [2021-03-24 15:17:47,571 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-24 15:17:47,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 23 events. 4/23 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 29 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-03-24 15:17:47,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 180 [2021-03-24 15:17:47,602 INFO L154 LiptonReduction]: Checked pairs total: 192 [2021-03-24 15:17:47,602 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-24 15:17:47,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-24 15:17:47,610 INFO L129 PetriNetUnfolder]: 4/21 cut-off events. [2021-03-24 15:17:47,611 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-24 15:17:47,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:47,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:47,611 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:47,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:47,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1599162345, now seen corresponding path program 1 times [2021-03-24 15:17:47,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:47,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301037271] [2021-03-24 15:17:47,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:47,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:47,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301037271] [2021-03-24 15:17:47,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 15:17:47,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-24 15:17:47,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339409730] [2021-03-24 15:17:47,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 15:17:47,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:47,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 15:17:47,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 15:17:47,709 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 30 [2021-03-24 15:17:47,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:47,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:47,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 30 [2021-03-24 15:17:47,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:47,728 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L63-->L62: Formula: (= v_s2_5 (+ v_t22_2 v_s2_6)) InVars {t22=v_t22_2, s2=v_s2_6} OutVars{t22=v_t22_2, s2=v_s2_5} AuxVars[] AssignedVars[s2][20], [18#L36true, thread4Thread1of1ForFork3InUse, 21#L79true, thread2Thread1of1ForFork1InUse, thread1Thread1of1ForFork0InUse, 9#L62true, thread3Thread1of1ForFork2InUse, 42#true, 10#L49true, 29#L23true]) [2021-03-24 15:17:47,728 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-24 15:17:47,728 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:47,728 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:47,728 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:47,732 INFO L129 PetriNetUnfolder]: 19/53 cut-off events. [2021-03-24 15:17:47,732 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-24 15:17:47,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 53 events. 19/53 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 124 event pairs, 0 based on Foata normal form. 1/41 useless extension candidates. Maximal degree in co-relation 72. Up to 22 conditions per place. [2021-03-24 15:17:47,735 INFO L132 encePairwiseOnDemand]: 24/30 looper letters, 5 selfloop transitions, 5 changer transitions 0/26 dead transitions. [2021-03-24 15:17:47,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 26 transitions, 96 flow [2021-03-24 15:17:47,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 15:17:47,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 15:17:47,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2021-03-24 15:17:47,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8555555555555555 [2021-03-24 15:17:47,748 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 77 transitions. [2021-03-24 15:17:47,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 77 transitions. [2021-03-24 15:17:47,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:47,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 77 transitions. [2021-03-24 15:17:47,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:47,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:47,762 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:47,763 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 68 flow. Second operand 3 states and 77 transitions. [2021-03-24 15:17:47,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 26 transitions, 96 flow [2021-03-24 15:17:47,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 26 transitions, 80 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-24 15:17:47,769 INFO L241 Difference]: Finished difference. Result has 26 places, 26 transitions, 85 flow [2021-03-24 15:17:47,770 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=26, PETRI_TRANSITIONS=26} [2021-03-24 15:17:47,771 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, -5 predicate places. [2021-03-24 15:17:47,771 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 26 transitions, 85 flow [2021-03-24 15:17:47,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:47,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:47,771 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:47,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 15:17:47,771 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:47,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:47,772 INFO L82 PathProgramCache]: Analyzing trace with hash 345895322, now seen corresponding path program 1 times [2021-03-24 15:17:47,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:47,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135847198] [2021-03-24 15:17:47,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:47,840 INFO L142 QuantifierPusher]: treesize reduction 20, result has 25.9 percent of original size [2021-03-24 15:17:47,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:47,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 15:17:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:47,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135847198] [2021-03-24 15:17:47,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498745887] [2021-03-24 15:17:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:47,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-24 15:17:47,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:47,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:47,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:47,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:47,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:47,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:47,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:47,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:47,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:47,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:47,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:47,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:47,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:47,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:47,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 15:17:47,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2021-03-24 15:17:47,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724248624] [2021-03-24 15:17:47,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 15:17:47,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:47,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 15:17:47,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 15:17:47,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 30 [2021-03-24 15:17:47,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 26 transitions, 85 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:47,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:47,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 30 [2021-03-24 15:17:47,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:48,014 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][21], [17#L24true, 21#L79true, 54#(<= i2 i1), 42#true, 10#L49true, Black: 44#(= s2 s1), 15#L63true, 31#L37true]) [2021-03-24 15:17:48,014 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:17:48,014 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:48,014 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:48,014 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:48,014 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([85] L49-->L50: Formula: (and (= v_t12_5 (select v_x_13 v_i2_19)) (< v_i2_20 v_n_10) (= (+ v_i2_20 1) v_i2_19)) InVars {x=v_x_13, i2=v_i2_20, n=v_n_10} OutVars{t12=v_t12_5, x=v_x_13, i2=v_i2_19, n=v_n_10} AuxVars[] AssignedVars[t12, i2][14], [17#L24true, 20#L78true, 54#(<= i2 i1), 24#L50true, 42#true, Black: 44#(= s2 s1), 31#L37true]) [2021-03-24 15:17:48,015 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:17:48,015 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:48,015 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:48,015 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:48,016 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][21], [17#L24true, 21#L79true, 54#(<= i2 i1), 10#L49true, 42#true, Black: 44#(= s2 s1), 31#L37true, 15#L63true]) [2021-03-24 15:17:48,016 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:17:48,017 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:17:48,017 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:48,017 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:48,017 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:48,031 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][20], [17#L24true, 21#L79true, 24#L50true, 42#true, Black: 44#(= s2 s1), 15#L63true, 47#true, 31#L37true]) [2021-03-24 15:17:48,031 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-03-24 15:17:48,031 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:48,031 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:17:48,031 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:48,037 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][20], [21#L79true, 24#L50true, 42#true, 29#L23true, Black: 44#(= s2 s1), 31#L37true, 15#L63true, 47#true]) [2021-03-24 15:17:48,037 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-03-24 15:17:48,037 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:48,037 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:17:48,037 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:48,041 INFO L129 PetriNetUnfolder]: 248/430 cut-off events. [2021-03-24 15:17:48,041 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-24 15:17:48,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 808 conditions, 430 events. 248/430 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1827 event pairs, 17 based on Foata normal form. 1/400 useless extension candidates. Maximal degree in co-relation 752. Up to 160 conditions per place. [2021-03-24 15:17:48,047 INFO L132 encePairwiseOnDemand]: 24/30 looper letters, 7 selfloop transitions, 8 changer transitions 0/35 dead transitions. [2021-03-24 15:17:48,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 35 transitions, 135 flow [2021-03-24 15:17:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-24 15:17:48,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-24 15:17:48,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-03-24 15:17:48,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2021-03-24 15:17:48,066 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-03-24 15:17:48,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-03-24 15:17:48,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:48,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-03-24 15:17:48,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:48,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:48,071 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:48,071 INFO L185 Difference]: Start difference. First operand has 26 places, 26 transitions, 85 flow. Second operand 4 states and 104 transitions. [2021-03-24 15:17:48,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 35 transitions, 135 flow [2021-03-24 15:17:48,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 35 transitions, 130 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-24 15:17:48,074 INFO L241 Difference]: Finished difference. Result has 31 places, 33 transitions, 140 flow [2021-03-24 15:17:48,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=31, PETRI_TRANSITIONS=33} [2021-03-24 15:17:48,075 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 0 predicate places. [2021-03-24 15:17:48,075 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 33 transitions, 140 flow [2021-03-24 15:17:48,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:48,076 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:48,076 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:48,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-03-24 15:17:48,295 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:48,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:48,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1745209222, now seen corresponding path program 1 times [2021-03-24 15:17:48,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:48,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368066590] [2021-03-24 15:17:48,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:48,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 15:17:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:48,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368066590] [2021-03-24 15:17:48,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816037459] [2021-03-24 15:17:48,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:48,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-24 15:17:48,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:48,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:48,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:48,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:48,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:48,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:48,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:48,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:48,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:48,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:48,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:17:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:48,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 15:17:48,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2021-03-24 15:17:48,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107788655] [2021-03-24 15:17:48,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 15:17:48,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:48,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 15:17:48,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-24 15:17:48,514 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 30 [2021-03-24 15:17:48,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 33 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:48,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:48,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 30 [2021-03-24 15:17:48,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:48,559 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][20], [17#L24true, Black: 76#(<= (+ i2 1) i1), 21#L79true, Black: 47#true, 54#(<= i2 i1), 102#true, 10#L49true, Black: 44#(= s2 s1), 31#L37true, 15#L63true]) [2021-03-24 15:17:48,569 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:48,569 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:48,569 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:48,569 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:48,569 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([85] L49-->L50: Formula: (and (= v_t12_5 (select v_x_13 v_i2_19)) (< v_i2_20 v_n_10) (= (+ v_i2_20 1) v_i2_19)) InVars {x=v_x_13, i2=v_i2_20, n=v_n_10} OutVars{t12=v_t12_5, x=v_x_13, i2=v_i2_19, n=v_n_10} AuxVars[] AssignedVars[t12, i2][13], [17#L24true, 20#L78true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 54#(<= i2 i1), 102#true, 24#L50true, Black: 44#(= s2 s1), 31#L37true]) [2021-03-24 15:17:48,570 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:48,570 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:48,570 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:48,570 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:48,574 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][20], [17#L24true, Black: 76#(<= (+ i2 1) i1), 21#L79true, Black: 47#true, 54#(<= i2 i1), 102#true, 10#L49true, Black: 44#(= s2 s1), 15#L63true, 31#L37true]) [2021-03-24 15:17:48,574 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:48,574 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:48,574 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:48,574 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:48,574 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:48,576 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][26], [17#L24true, Black: 54#(<= i2 i1), Black: 76#(<= (+ i2 1) i1), 21#L79true, 102#true, 24#L50true, Black: 44#(= s2 s1), 47#true, 31#L37true, 15#L63true]) [2021-03-24 15:17:48,576 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:17:48,576 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:48,576 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:17:48,576 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:48,591 INFO L129 PetriNetUnfolder]: 365/604 cut-off events. [2021-03-24 15:17:48,591 INFO L130 PetriNetUnfolder]: For 251/295 co-relation queries the response was YES. [2021-03-24 15:17:48,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1501 conditions, 604 events. 365/604 cut-off events. For 251/295 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 2624 event pairs, 29 based on Foata normal form. 7/558 useless extension candidates. Maximal degree in co-relation 1431. Up to 231 conditions per place. [2021-03-24 15:17:48,597 INFO L132 encePairwiseOnDemand]: 24/30 looper letters, 13 selfloop transitions, 13 changer transitions 0/46 dead transitions. [2021-03-24 15:17:48,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 46 transitions, 256 flow [2021-03-24 15:17:48,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-24 15:17:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-24 15:17:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-03-24 15:17:48,614 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2021-03-24 15:17:48,614 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-03-24 15:17:48,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-03-24 15:17:48,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:48,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-03-24 15:17:48,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:48,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:48,615 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:48,615 INFO L185 Difference]: Start difference. First operand has 31 places, 33 transitions, 140 flow. Second operand 4 states and 104 transitions. [2021-03-24 15:17:48,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 46 transitions, 256 flow [2021-03-24 15:17:48,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 46 transitions, 256 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 15:17:48,618 INFO L241 Difference]: Finished difference. Result has 37 places, 44 transitions, 268 flow [2021-03-24 15:17:48,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=268, PETRI_PLACES=37, PETRI_TRANSITIONS=44} [2021-03-24 15:17:48,618 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 6 predicate places. [2021-03-24 15:17:48,618 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 44 transitions, 268 flow [2021-03-24 15:17:48,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:48,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:48,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:48,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:48,819 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:48,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:48,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1258865793, now seen corresponding path program 1 times [2021-03-24 15:17:48,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:48,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523783798] [2021-03-24 15:17:48,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:48,859 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:48,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:48,874 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:17:48,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:17:48,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:48,899 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:48,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:48,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523783798] [2021-03-24 15:17:48,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448429395] [2021-03-24 15:17:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:48,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-24 15:17:48,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:48,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:48,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:48,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:48,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:48,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:48,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:48,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:48,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:48,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:48,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:48,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:48,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:48,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:49,014 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:17:49,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:49,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:49,017 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:17:49,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:49,024 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:49,024 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-03-24 15:17:49,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:49,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:49,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,038 INFO L147 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size 17 [2021-03-24 15:17:49,039 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-24 15:17:49,040 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:17:49,040 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:17:49,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:49,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:49,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,055 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-03-24 15:17:49,056 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 15:17:49,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:49,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:49,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:49,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:49,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:49,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 15:17:49,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205443849] [2021-03-24 15:17:49,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:17:49,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:49,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:17:49,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:17:49,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:49,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 44 transitions, 268 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:49,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:49,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:49,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:49,222 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][21], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, 10#L49true, Black: 44#(= s2 s1), 15#L63true, 17#L24true, 18#L36true, 21#L79true, 54#(<= i2 i1), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true]) [2021-03-24 15:17:49,223 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:49,223 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:49,223 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:49,223 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:49,230 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][21], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, 10#L49true, Black: 44#(= s2 s1), 15#L63true, 18#L36true, 21#L79true, 54#(<= i2 i1), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true, 29#L23true]) [2021-03-24 15:17:49,230 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:49,230 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:49,230 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-24 15:17:49,230 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-24 15:17:49,240 INFO L129 PetriNetUnfolder]: 557/883 cut-off events. [2021-03-24 15:17:49,240 INFO L130 PetriNetUnfolder]: For 1187/1219 co-relation queries the response was YES. [2021-03-24 15:17:49,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2926 conditions, 883 events. 557/883 cut-off events. For 1187/1219 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3825 event pairs, 32 based on Foata normal form. 5/880 useless extension candidates. Maximal degree in co-relation 2825. Up to 662 conditions per place. [2021-03-24 15:17:49,246 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 38 selfloop transitions, 55 changer transitions 0/105 dead transitions. [2021-03-24 15:17:49,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 105 transitions, 838 flow [2021-03-24 15:17:49,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:17:49,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:17:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2021-03-24 15:17:49,248 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8041666666666667 [2021-03-24 15:17:49,248 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 193 transitions. [2021-03-24 15:17:49,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 193 transitions. [2021-03-24 15:17:49,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:49,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 193 transitions. [2021-03-24 15:17:49,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.125) internal successors, (193), 8 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:49,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:49,249 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:49,249 INFO L185 Difference]: Start difference. First operand has 37 places, 44 transitions, 268 flow. Second operand 8 states and 193 transitions. [2021-03-24 15:17:49,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 105 transitions, 838 flow [2021-03-24 15:17:49,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 105 transitions, 826 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-03-24 15:17:49,255 INFO L241 Difference]: Finished difference. Result has 48 places, 94 transitions, 778 flow [2021-03-24 15:17:49,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=778, PETRI_PLACES=48, PETRI_TRANSITIONS=94} [2021-03-24 15:17:49,255 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 17 predicate places. [2021-03-24 15:17:49,255 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 94 transitions, 778 flow [2021-03-24 15:17:49,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:49,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:49,255 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:49,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:49,470 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:49,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:49,470 INFO L82 PathProgramCache]: Analyzing trace with hash -103580389, now seen corresponding path program 1 times [2021-03-24 15:17:49,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:49,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025237214] [2021-03-24 15:17:49,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:49,498 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 15:17:49,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:49,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:49,526 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-03-24 15:17:49,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:17:49,536 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-24 15:17:49,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:49,565 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-24 15:17:49,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:49,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025237214] [2021-03-24 15:17:49,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203762407] [2021-03-24 15:17:49,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:49,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:17:49,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:49,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:49,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:49,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:49,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:49,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:49,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:17:49,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:49,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:49,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:17:49,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:49,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:49,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:17:49,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-03-24 15:17:49,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,701 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:17:49,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:49,705 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:49,705 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-03-24 15:17:49,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:49,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:49,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,716 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:17:49,716 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-24 15:17:49,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:49,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,736 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-24 15:17:49,736 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 15:17:49,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:49,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:49,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:49,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-24 15:17:49,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910758049] [2021-03-24 15:17:49,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:17:49,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:49,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:17:49,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:17:49,753 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:49,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 94 transitions, 778 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:49,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:49,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:49,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:50,070 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][23], [Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 76#(<= (+ i2 1) i1), 228#true, Black: 47#true, 102#true, 10#L49true, Black: 44#(= s2 s1), 15#L63true, 17#L24true, 18#L36true, 21#L79true, 54#(<= i2 i1), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true]) [2021-03-24 15:17:50,070 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:50,070 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:50,070 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:50,070 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:50,080 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][23], [Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 76#(<= (+ i2 1) i1), 228#true, Black: 47#true, 102#true, 10#L49true, Black: 44#(= s2 s1), 15#L63true, 18#L36true, 21#L79true, 54#(<= i2 i1), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 29#L23true, 157#true]) [2021-03-24 15:17:50,080 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:50,080 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:50,080 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-24 15:17:50,080 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:50,093 INFO L129 PetriNetUnfolder]: 698/1096 cut-off events. [2021-03-24 15:17:50,093 INFO L130 PetriNetUnfolder]: For 2448/2486 co-relation queries the response was YES. [2021-03-24 15:17:50,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4583 conditions, 1096 events. 698/1096 cut-off events. For 2448/2486 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4987 event pairs, 34 based on Foata normal form. 17/1105 useless extension candidates. Maximal degree in co-relation 4462. Up to 774 conditions per place. [2021-03-24 15:17:50,102 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 75 selfloop transitions, 94 changer transitions 0/181 dead transitions. [2021-03-24 15:17:50,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 181 transitions, 1777 flow [2021-03-24 15:17:50,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 15:17:50,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 15:17:50,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 390 transitions. [2021-03-24 15:17:50,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-03-24 15:17:50,103 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 390 transitions. [2021-03-24 15:17:50,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 390 transitions. [2021-03-24 15:17:50,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:50,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 390 transitions. [2021-03-24 15:17:50,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 22.941176470588236) internal successors, (390), 17 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:50,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 30.0) internal successors, (540), 18 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:50,106 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 30.0) internal successors, (540), 18 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:50,106 INFO L185 Difference]: Start difference. First operand has 48 places, 94 transitions, 778 flow. Second operand 17 states and 390 transitions. [2021-03-24 15:17:50,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 181 transitions, 1777 flow [2021-03-24 15:17:50,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 181 transitions, 1712 flow, removed 13 selfloop flow, removed 1 redundant places. [2021-03-24 15:17:50,115 INFO L241 Difference]: Finished difference. Result has 72 places, 162 transitions, 1526 flow [2021-03-24 15:17:50,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=739, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1526, PETRI_PLACES=72, PETRI_TRANSITIONS=162} [2021-03-24 15:17:50,115 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 41 predicate places. [2021-03-24 15:17:50,115 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 162 transitions, 1526 flow [2021-03-24 15:17:50,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:50,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:50,115 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:50,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:50,330 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:50,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:50,330 INFO L82 PathProgramCache]: Analyzing trace with hash 781956757, now seen corresponding path program 2 times [2021-03-24 15:17:50,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:50,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828507302] [2021-03-24 15:17:50,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:50,355 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 15:17:50,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:50,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:50,367 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-03-24 15:17:50,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:17:50,377 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-24 15:17:50,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:50,401 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-24 15:17:50,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:50,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828507302] [2021-03-24 15:17:50,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777089732] [2021-03-24 15:17:50,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 15:17:50,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:17:50,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:50,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-24 15:17:50,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:50,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:50,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:50,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:50,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:50,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:50,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:50,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:50,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:50,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:50,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:50,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:50,512 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:17:50,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:50,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:50,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:17:50,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:50,519 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:50,519 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:12 [2021-03-24 15:17:50,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:50,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:50,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,559 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:17:50,560 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:17:50,561 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-24 15:17:50,561 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-24 15:17:50,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:50,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:50,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:50,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:50,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:50,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:50,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:50,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:50,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:50,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 15:17:50,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914402376] [2021-03-24 15:17:50,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:17:50,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:50,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:17:50,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:17:50,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:50,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 162 transitions, 1526 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:50,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:50,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:50,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:50,840 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][24], [10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 76#(<= (+ i2 1) i1), 228#true, Black: 47#true, 102#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true]) [2021-03-24 15:17:50,840 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:50,840 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:50,840 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:50,840 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:50,853 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][24], [10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 29#L23true, 157#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true]) [2021-03-24 15:17:50,853 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:50,853 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:50,853 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-24 15:17:50,853 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:50,870 INFO L129 PetriNetUnfolder]: 737/1162 cut-off events. [2021-03-24 15:17:50,871 INFO L130 PetriNetUnfolder]: For 4478/4553 co-relation queries the response was YES. [2021-03-24 15:17:50,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6022 conditions, 1162 events. 737/1162 cut-off events. For 4478/4553 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5394 event pairs, 46 based on Foata normal form. 13/1166 useless extension candidates. Maximal degree in co-relation 5886. Up to 902 conditions per place. [2021-03-24 15:17:50,880 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 93 selfloop transitions, 95 changer transitions 0/200 dead transitions. [2021-03-24 15:17:50,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 200 transitions, 2267 flow [2021-03-24 15:17:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 15:17:50,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 15:17:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 260 transitions. [2021-03-24 15:17:50,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2021-03-24 15:17:50,882 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 260 transitions. [2021-03-24 15:17:50,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 260 transitions. [2021-03-24 15:17:50,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:50,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 260 transitions. [2021-03-24 15:17:50,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 23.636363636363637) internal successors, (260), 11 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:50,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 30.0) internal successors, (360), 12 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:50,883 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 30.0) internal successors, (360), 12 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:50,883 INFO L185 Difference]: Start difference. First operand has 72 places, 162 transitions, 1526 flow. Second operand 11 states and 260 transitions. [2021-03-24 15:17:50,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 200 transitions, 2267 flow [2021-03-24 15:17:50,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 200 transitions, 2154 flow, removed 51 selfloop flow, removed 1 redundant places. [2021-03-24 15:17:50,899 INFO L241 Difference]: Finished difference. Result has 83 places, 194 transitions, 1962 flow [2021-03-24 15:17:50,900 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=1413, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1962, PETRI_PLACES=83, PETRI_TRANSITIONS=194} [2021-03-24 15:17:50,900 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 52 predicate places. [2021-03-24 15:17:50,900 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 194 transitions, 1962 flow [2021-03-24 15:17:50,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:50,900 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:50,900 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:51,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-24 15:17:51,115 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:51,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:51,115 INFO L82 PathProgramCache]: Analyzing trace with hash -812922857, now seen corresponding path program 2 times [2021-03-24 15:17:51,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:51,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377302362] [2021-03-24 15:17:51,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:51,133 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:51,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,143 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:17:51,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:17:51,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:51,162 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:51,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:51,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377302362] [2021-03-24 15:17:51,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189885182] [2021-03-24 15:17:51,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:51,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:17:51,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:17:51,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-24 15:17:51,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:51,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:51,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:51,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:51,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:51,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:51,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:51,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:51,232 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:17:51,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:51,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:51,233 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:17:51,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:51,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:51,239 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-03-24 15:17:51,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:51,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:51,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:51,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,252 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:17:51,252 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:17:51,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:51,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:51,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:51,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:51,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:51,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 15:17:51,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550822114] [2021-03-24 15:17:51,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:17:51,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:51,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:17:51,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:17:51,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:51,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 194 transitions, 1962 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:51,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:51,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:51,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:51,428 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][23], [10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:51,428 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:51,428 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:51,428 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:51,428 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:51,443 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][23], [10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true, 29#L23true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:51,443 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:51,443 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:51,443 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-24 15:17:51,443 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:51,486 INFO L129 PetriNetUnfolder]: 773/1229 cut-off events. [2021-03-24 15:17:51,487 INFO L130 PetriNetUnfolder]: For 5685/5732 co-relation queries the response was YES. [2021-03-24 15:17:51,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6934 conditions, 1229 events. 773/1229 cut-off events. For 5685/5732 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5826 event pairs, 53 based on Foata normal form. 8/1230 useless extension candidates. Maximal degree in co-relation 6784. Up to 950 conditions per place. [2021-03-24 15:17:51,497 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 118 selfloop transitions, 93 changer transitions 0/223 dead transitions. [2021-03-24 15:17:51,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 223 transitions, 2721 flow [2021-03-24 15:17:51,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:17:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:17:51,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2021-03-24 15:17:51,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8041666666666667 [2021-03-24 15:17:51,498 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 193 transitions. [2021-03-24 15:17:51,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 193 transitions. [2021-03-24 15:17:51,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:51,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 193 transitions. [2021-03-24 15:17:51,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.125) internal successors, (193), 8 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:51,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:51,499 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:51,499 INFO L185 Difference]: Start difference. First operand has 83 places, 194 transitions, 1962 flow. Second operand 8 states and 193 transitions. [2021-03-24 15:17:51,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 223 transitions, 2721 flow [2021-03-24 15:17:51,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 223 transitions, 2559 flow, removed 62 selfloop flow, removed 2 redundant places. [2021-03-24 15:17:51,519 INFO L241 Difference]: Finished difference. Result has 90 places, 217 transitions, 2311 flow [2021-03-24 15:17:51,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=1800, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2311, PETRI_PLACES=90, PETRI_TRANSITIONS=217} [2021-03-24 15:17:51,519 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 59 predicate places. [2021-03-24 15:17:51,519 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 217 transitions, 2311 flow [2021-03-24 15:17:51,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:51,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:51,520 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:51,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:51,735 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:51,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:51,735 INFO L82 PathProgramCache]: Analyzing trace with hash 555183073, now seen corresponding path program 3 times [2021-03-24 15:17:51,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:51,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756326841] [2021-03-24 15:17:51,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:51,754 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:51,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:51,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:51,793 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:51,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:51,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756326841] [2021-03-24 15:17:51,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588947754] [2021-03-24 15:17:51,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:51,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:17:51,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:17:51,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-24 15:17:51,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:51,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:51,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,913 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:17:51,913 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:17:51,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:51,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:51,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:51,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:51,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:51,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:51,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:17:51,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:51,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:51,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:17:51,935 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2021-03-24 15:17:51,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,939 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-24 15:17:51,939 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-24 15:17:51,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:51,940 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:17:51,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:51,945 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:14 [2021-03-24 15:17:51,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:51,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:51,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:51,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:51,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:51,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 15:17:51,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618789721] [2021-03-24 15:17:51,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:17:51,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:51,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:17:51,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:17:51,984 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:51,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 217 transitions, 2311 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:51,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:51,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:51,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:52,150 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][22], [Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:52,150 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:52,150 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:52,150 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:52,150 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:52,170 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][22], [Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true, 29#L23true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:52,171 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:52,171 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:52,171 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-24 15:17:52,171 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:52,195 INFO L129 PetriNetUnfolder]: 854/1365 cut-off events. [2021-03-24 15:17:52,195 INFO L130 PetriNetUnfolder]: For 7960/8005 co-relation queries the response was YES. [2021-03-24 15:17:52,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8297 conditions, 1365 events. 854/1365 cut-off events. For 7960/8005 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 6704 event pairs, 48 based on Foata normal form. 8/1366 useless extension candidates. Maximal degree in co-relation 8131. Up to 1023 conditions per place. [2021-03-24 15:17:52,212 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 132 selfloop transitions, 121 changer transitions 0/265 dead transitions. [2021-03-24 15:17:52,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 265 transitions, 3439 flow [2021-03-24 15:17:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:17:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:17:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 194 transitions. [2021-03-24 15:17:52,213 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8083333333333333 [2021-03-24 15:17:52,213 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 194 transitions. [2021-03-24 15:17:52,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 194 transitions. [2021-03-24 15:17:52,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:52,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 194 transitions. [2021-03-24 15:17:52,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:52,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:52,214 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:52,214 INFO L185 Difference]: Start difference. First operand has 90 places, 217 transitions, 2311 flow. Second operand 8 states and 194 transitions. [2021-03-24 15:17:52,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 265 transitions, 3439 flow [2021-03-24 15:17:52,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 265 transitions, 3206 flow, removed 68 selfloop flow, removed 4 redundant places. [2021-03-24 15:17:52,244 INFO L241 Difference]: Finished difference. Result has 96 places, 256 transitions, 2958 flow [2021-03-24 15:17:52,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2958, PETRI_PLACES=96, PETRI_TRANSITIONS=256} [2021-03-24 15:17:52,244 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 65 predicate places. [2021-03-24 15:17:52,245 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 256 transitions, 2958 flow [2021-03-24 15:17:52,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:52,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:52,245 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:52,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:52,459 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:52,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:52,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1246429503, now seen corresponding path program 3 times [2021-03-24 15:17:52,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:52,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368634467] [2021-03-24 15:17:52,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:52,511 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 15:17:52,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:52,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,535 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-24 15:17:52,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:52,543 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-24 15:17:52,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:52,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368634467] [2021-03-24 15:17:52,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459047349] [2021-03-24 15:17:52,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:52,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 15:17:52,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:17:52,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-24 15:17:52,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:52,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:52,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:52,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:52,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:52,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:52,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,601 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 15:17:52,601 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:17:52,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:52,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:52,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:52,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:52,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:52,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:52,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:52,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:17:52,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:52,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:52,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:17:52,624 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2021-03-24 15:17:52,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,629 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:17:52,633 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:52,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:52,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:52,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:52,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:17:52,642 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:52,643 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 15:17:52,643 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2021-03-24 15:17:52,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:52,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:52,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:52,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:52,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:52,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:52,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:52,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:52,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:52,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:52,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-24 15:17:52,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6597714] [2021-03-24 15:17:52,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 15:17:52,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:52,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 15:17:52,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-24 15:17:52,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:52,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 256 transitions, 2958 flow. Second operand has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:52,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:52,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:52,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:52,841 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][28], [Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:52,841 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:52,841 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:52,841 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:52,841 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:52,862 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][28], [Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true, 29#L23true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:52,862 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:52,862 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-24 15:17:52,862 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:52,862 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:52,888 INFO L129 PetriNetUnfolder]: 881/1414 cut-off events. [2021-03-24 15:17:52,888 INFO L130 PetriNetUnfolder]: For 9924/10007 co-relation queries the response was YES. [2021-03-24 15:17:52,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9387 conditions, 1414 events. 881/1414 cut-off events. For 9924/10007 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 7016 event pairs, 46 based on Foata normal form. 21/1428 useless extension candidates. Maximal degree in co-relation 9210. Up to 1059 conditions per place. [2021-03-24 15:17:52,905 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 143 selfloop transitions, 128 changer transitions 0/283 dead transitions. [2021-03-24 15:17:52,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 283 transitions, 3894 flow [2021-03-24 15:17:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 15:17:52,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 15:17:52,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-03-24 15:17:52,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8037037037037037 [2021-03-24 15:17:52,906 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-03-24 15:17:52,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-03-24 15:17:52,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:52,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-03-24 15:17:52,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:52,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:52,907 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:52,907 INFO L185 Difference]: Start difference. First operand has 96 places, 256 transitions, 2958 flow. Second operand 9 states and 217 transitions. [2021-03-24 15:17:52,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 283 transitions, 3894 flow [2021-03-24 15:17:52,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 283 transitions, 3537 flow, removed 138 selfloop flow, removed 3 redundant places. [2021-03-24 15:17:52,939 INFO L241 Difference]: Finished difference. Result has 104 places, 277 transitions, 3284 flow [2021-03-24 15:17:52,940 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=2631, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3284, PETRI_PLACES=104, PETRI_TRANSITIONS=277} [2021-03-24 15:17:52,940 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 73 predicate places. [2021-03-24 15:17:52,940 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 277 transitions, 3284 flow [2021-03-24 15:17:52,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:52,940 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:52,940 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:53,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-03-24 15:17:53,148 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:53,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:53,148 INFO L82 PathProgramCache]: Analyzing trace with hash 921060949, now seen corresponding path program 1 times [2021-03-24 15:17:53,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:53,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747835533] [2021-03-24 15:17:53,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:53,171 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:53,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:53,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:53,181 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:17:53,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:17:53,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:53,202 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:53,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:53,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747835533] [2021-03-24 15:17:53,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382984857] [2021-03-24 15:17:53,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:53,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:17:53,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:53,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:53,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:53,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:53,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:53,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:53,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:17:53,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:53,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:53,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:17:53,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:53,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:53,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:17:53,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-03-24 15:17:53,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:17:53,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:53,345 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:53,345 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-03-24 15:17:53,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:53,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:53,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:53,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,355 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-03-24 15:17:53,356 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-03-24 15:17:53,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:53,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:53,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,365 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-24 15:17:53,365 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 15:17:53,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:53,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:53,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:53,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-24 15:17:53,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435403539] [2021-03-24 15:17:53,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:17:53,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:53,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:17:53,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:17:53,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:53,385 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 277 transitions, 3284 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:53,385 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:53,385 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:53,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:53,708 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][39], [Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 521#true, 10#L49true, Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 157#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:53,708 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:53,708 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:53,708 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:53,708 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:53,735 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][39], [Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 521#true, Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 10#L49true, 587#true, 15#L63true, 18#L36true, 21#L79true, Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), 29#L23true, 157#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:53,735 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:53,735 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:53,736 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:53,736 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:53,775 INFO L129 PetriNetUnfolder]: 1109/1778 cut-off events. [2021-03-24 15:17:53,776 INFO L130 PetriNetUnfolder]: For 13474/13521 co-relation queries the response was YES. [2021-03-24 15:17:53,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12453 conditions, 1778 events. 1109/1778 cut-off events. For 13474/13521 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 9085 event pairs, 40 based on Foata normal form. 22/1791 useless extension candidates. Maximal degree in co-relation 12239. Up to 1287 conditions per place. [2021-03-24 15:17:53,794 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 212 selfloop transitions, 158 changer transitions 0/382 dead transitions. [2021-03-24 15:17:53,795 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 382 transitions, 5655 flow [2021-03-24 15:17:53,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 15:17:53,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 15:17:53,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 398 transitions. [2021-03-24 15:17:53,796 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7803921568627451 [2021-03-24 15:17:53,796 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 398 transitions. [2021-03-24 15:17:53,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 398 transitions. [2021-03-24 15:17:53,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:53,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 398 transitions. [2021-03-24 15:17:53,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 23.41176470588235) internal successors, (398), 17 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:53,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 30.0) internal successors, (540), 18 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:53,798 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 30.0) internal successors, (540), 18 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:53,798 INFO L185 Difference]: Start difference. First operand has 104 places, 277 transitions, 3284 flow. Second operand 17 states and 398 transitions. [2021-03-24 15:17:53,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 382 transitions, 5655 flow [2021-03-24 15:17:53,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 382 transitions, 5384 flow, removed 80 selfloop flow, removed 4 redundant places. [2021-03-24 15:17:53,838 INFO L241 Difference]: Finished difference. Result has 123 places, 370 transitions, 5028 flow [2021-03-24 15:17:53,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=3043, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5028, PETRI_PLACES=123, PETRI_TRANSITIONS=370} [2021-03-24 15:17:53,839 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 92 predicate places. [2021-03-24 15:17:53,839 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 370 transitions, 5028 flow [2021-03-24 15:17:53,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:53,839 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:53,839 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:54,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:54,044 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:54,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:54,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1431456781, now seen corresponding path program 2 times [2021-03-24 15:17:54,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:54,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178729536] [2021-03-24 15:17:54,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:54,068 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:54,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:54,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:54,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:54,112 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:54,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:54,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178729536] [2021-03-24 15:17:54,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926325996] [2021-03-24 15:17:54,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:54,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:17:54,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:17:54,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-24 15:17:54,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:54,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:54,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:54,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:54,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:54,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:54,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,217 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:17:54,218 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:17:54,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:54,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:54,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:17:54,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:54,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:54,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:17:54,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:54,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:54,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:17:54,236 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2021-03-24 15:17:54,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,240 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-24 15:17:54,240 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-24 15:17:54,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:54,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:17:54,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:54,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:54,256 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:19 [2021-03-24 15:17:54,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:54,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:54,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:17:54,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,270 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-03-24 15:17:54,271 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 15:17:54,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:54,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:54,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:54,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-24 15:17:54,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107803545] [2021-03-24 15:17:54,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:17:54,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:54,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:17:54,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:17:54,316 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:54,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 370 transitions, 5028 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:54,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:54,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:54,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:54,628 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][28], [Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:54,629 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:54,629 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:54,629 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:54,629 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:54,691 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][28], [Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 29#L23true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 292#(and (= i2 0) (= s1 i2) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:54,691 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:54,691 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:54,691 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:54,691 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:54,808 INFO L129 PetriNetUnfolder]: 1148/1854 cut-off events. [2021-03-24 15:17:54,809 INFO L130 PetriNetUnfolder]: For 17044/17125 co-relation queries the response was YES. [2021-03-24 15:17:54,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14227 conditions, 1854 events. 1148/1854 cut-off events. For 17044/17125 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 9721 event pairs, 49 based on Foata normal form. 14/1859 useless extension candidates. Maximal degree in co-relation 13995. Up to 1472 conditions per place. [2021-03-24 15:17:54,860 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 308 selfloop transitions, 101 changer transitions 0/421 dead transitions. [2021-03-24 15:17:54,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 421 transitions, 6799 flow [2021-03-24 15:17:54,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:17:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:17:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 191 transitions. [2021-03-24 15:17:54,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7958333333333333 [2021-03-24 15:17:54,861 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 191 transitions. [2021-03-24 15:17:54,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 191 transitions. [2021-03-24 15:17:54,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:54,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 191 transitions. [2021-03-24 15:17:54,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 23.875) internal successors, (191), 8 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:54,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:54,863 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:54,863 INFO L185 Difference]: Start difference. First operand has 123 places, 370 transitions, 5028 flow. Second operand 8 states and 191 transitions. [2021-03-24 15:17:54,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 421 transitions, 6799 flow [2021-03-24 15:17:54,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 421 transitions, 6200 flow, removed 281 selfloop flow, removed 6 redundant places. [2021-03-24 15:17:54,995 INFO L241 Difference]: Finished difference. Result has 128 places, 417 transitions, 5675 flow [2021-03-24 15:17:54,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=4507, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5675, PETRI_PLACES=128, PETRI_TRANSITIONS=417} [2021-03-24 15:17:54,996 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 97 predicate places. [2021-03-24 15:17:54,996 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 417 transitions, 5675 flow [2021-03-24 15:17:54,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:54,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:54,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:55,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:55,226 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:55,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:55,226 INFO L82 PathProgramCache]: Analyzing trace with hash -2039109697, now seen corresponding path program 1 times [2021-03-24 15:17:55,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:55,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028518860] [2021-03-24 15:17:55,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:55,246 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:55,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:55,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:55,259 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:17:55,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:17:55,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:55,301 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:55,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:55,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:55,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028518860] [2021-03-24 15:17:55,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920204661] [2021-03-24 15:17:55,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:55,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-24 15:17:55,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:55,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:55,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:55,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:55,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:55,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:55,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:17:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:55,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:17:55,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:55,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:55,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:17:55,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 15:17:55,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:55,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:55,428 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:17:55,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:55,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:55,435 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2021-03-24 15:17:55,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:55,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:55,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,447 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-24 15:17:55,447 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-24 15:17:55,448 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-24 15:17:55,448 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-24 15:17:55,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:55,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,470 INFO L147 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size 21 [2021-03-24 15:17:55,471 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-24 15:17:55,471 INFO L147 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size 10 [2021-03-24 15:17:55,471 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-24 15:17:55,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:55,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:55,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:55,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-24 15:17:55,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005026366] [2021-03-24 15:17:55,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:17:55,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:55,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:17:55,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:17:55,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:55,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 417 transitions, 5675 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:55,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:55,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:55,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:55,859 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][27], [Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:55,859 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:55,859 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:55,859 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:55,859 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:55,930 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][27], [Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 29#L23true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 294#(and (= s1 i1) (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= (select x (+ s1 1)) t12) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (or (not (= i2 i1)) (= t12 t21)) (= s2 0)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), 313#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:55,930 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:55,930 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:55,930 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:55,930 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:55,989 INFO L129 PetriNetUnfolder]: 1244/2009 cut-off events. [2021-03-24 15:17:55,989 INFO L130 PetriNetUnfolder]: For 20209/20278 co-relation queries the response was YES. [2021-03-24 15:17:55,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15688 conditions, 2009 events. 1244/2009 cut-off events. For 20209/20278 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 10677 event pairs, 44 based on Foata normal form. 35/2035 useless extension candidates. Maximal degree in co-relation 15439. Up to 1579 conditions per place. [2021-03-24 15:17:56,012 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 337 selfloop transitions, 168 changer transitions 0/517 dead transitions. [2021-03-24 15:17:56,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 517 transitions, 8620 flow [2021-03-24 15:17:56,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-24 15:17:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-24 15:17:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 399 transitions. [2021-03-24 15:17:56,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7823529411764706 [2021-03-24 15:17:56,013 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 399 transitions. [2021-03-24 15:17:56,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 399 transitions. [2021-03-24 15:17:56,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:56,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 399 transitions. [2021-03-24 15:17:56,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 23.470588235294116) internal successors, (399), 17 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:56,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 30.0) internal successors, (540), 18 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:56,015 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 30.0) internal successors, (540), 18 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:56,015 INFO L185 Difference]: Start difference. First operand has 128 places, 417 transitions, 5675 flow. Second operand 17 states and 399 transitions. [2021-03-24 15:17:56,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 517 transitions, 8620 flow [2021-03-24 15:17:56,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 517 transitions, 8272 flow, removed 166 selfloop flow, removed 2 redundant places. [2021-03-24 15:17:56,089 INFO L241 Difference]: Finished difference. Result has 149 places, 514 transitions, 7786 flow [2021-03-24 15:17:56,089 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=5423, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7786, PETRI_PLACES=149, PETRI_TRANSITIONS=514} [2021-03-24 15:17:56,089 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 118 predicate places. [2021-03-24 15:17:56,089 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 514 transitions, 7786 flow [2021-03-24 15:17:56,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:56,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:56,089 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:56,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-24 15:17:56,304 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:56,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:56,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1038199833, now seen corresponding path program 2 times [2021-03-24 15:17:56,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:56,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898254301] [2021-03-24 15:17:56,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:56,318 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:56,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:56,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:56,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:56,341 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:56,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:56,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898254301] [2021-03-24 15:17:56,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405733830] [2021-03-24 15:17:56,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 15:17:56,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:17:56,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:17:56,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-24 15:17:56,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:56,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:56,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:56,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:56,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:56,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:56,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,416 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-24 15:17:56,416 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-24 15:17:56,417 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:17:56,417 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:17:56,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:56,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:56,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:17:56,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:56,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:56,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:17:56,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:56,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:17:56,435 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2021-03-24 15:17:56,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,436 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-24 15:17:56,436 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-24 15:17:56,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:56,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:17:56,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:56,442 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:56,443 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:19 [2021-03-24 15:17:56,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:56,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:56,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:56,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:56,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:56,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:56,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-24 15:17:56,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452766779] [2021-03-24 15:17:56,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:17:56,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:56,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:17:56,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:17:56,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:56,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 514 transitions, 7786 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:56,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:56,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:56,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:56,714 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][31], [Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 774#(and (= s1 0) (= s2 (+ s1 t21)) (= i1 (+ s1 1)) (= i2 (+ s1 1))), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:56,714 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:56,714 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:56,714 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:56,714 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:56,757 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][31], [Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 29#L23true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 774#(and (= s1 0) (= s2 (+ s1 t21)) (= i1 (+ s1 1)) (= i2 (+ s1 1))), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 298#(and (= s2 s1) (or (not (= i2 i1)) (and (= t12 t21) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:17:56,757 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:56,757 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:56,757 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:56,758 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:56,861 INFO L129 PetriNetUnfolder]: 1253/2021 cut-off events. [2021-03-24 15:17:56,861 INFO L130 PetriNetUnfolder]: For 21877/21948 co-relation queries the response was YES. [2021-03-24 15:17:56,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16592 conditions, 2021 events. 1253/2021 cut-off events. For 21877/21948 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 10709 event pairs, 47 based on Foata normal form. 14/2024 useless extension candidates. Maximal degree in co-relation 16333. Up to 1610 conditions per place. [2021-03-24 15:17:56,883 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 382 selfloop transitions, 136 changer transitions 0/530 dead transitions. [2021-03-24 15:17:56,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 530 transitions, 9165 flow [2021-03-24 15:17:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:17:56,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:17:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 191 transitions. [2021-03-24 15:17:56,885 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7958333333333333 [2021-03-24 15:17:56,885 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 191 transitions. [2021-03-24 15:17:56,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 191 transitions. [2021-03-24 15:17:56,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:56,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 191 transitions. [2021-03-24 15:17:56,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 23.875) internal successors, (191), 8 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:56,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:56,886 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:56,886 INFO L185 Difference]: Start difference. First operand has 149 places, 514 transitions, 7786 flow. Second operand 8 states and 191 transitions. [2021-03-24 15:17:56,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 530 transitions, 9165 flow [2021-03-24 15:17:56,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 530 transitions, 8542 flow, removed 297 selfloop flow, removed 5 redundant places. [2021-03-24 15:17:56,981 INFO L241 Difference]: Finished difference. Result has 153 places, 530 transitions, 7878 flow [2021-03-24 15:17:56,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=7163, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7878, PETRI_PLACES=153, PETRI_TRANSITIONS=530} [2021-03-24 15:17:56,981 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 122 predicate places. [2021-03-24 15:17:56,981 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 530 transitions, 7878 flow [2021-03-24 15:17:56,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:56,981 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:56,982 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:57,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-24 15:17:57,197 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:57,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:57,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1453555707, now seen corresponding path program 3 times [2021-03-24 15:17:57,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:57,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32503335] [2021-03-24 15:17:57,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:57,214 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:57,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:57,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,223 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:17:57,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:17:57,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:57,242 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:57,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:57,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32503335] [2021-03-24 15:17:57,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341689861] [2021-03-24 15:17:57,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:57,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-24 15:17:57,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:17:57,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-24 15:17:57,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:57,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:57,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:57,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:57,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:57,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:57,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:17:57,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:57,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:57,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:17:57,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:57,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:57,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:17:57,334 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:17:57,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:57,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:57,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:17:57,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:57,341 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:57,341 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:20 [2021-03-24 15:17:57,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:57,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:17:57,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:17:57,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:57,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:57,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:57,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:57,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:57,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:57,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:57,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-24 15:17:57,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144598404] [2021-03-24 15:17:57,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:17:57,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:57,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:17:57,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:17:57,393 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:57,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 530 transitions, 7878 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:57,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:57,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:57,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:57,571 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][28], [Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 774#(and (= s1 0) (= s2 (+ s1 t21)) (= i1 (+ s1 1)) (= i2 (+ s1 1))), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:17:57,571 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:57,571 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:57,571 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:57,571 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:57,615 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][28], [Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 29#L23true, 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 774#(and (= s1 0) (= s2 (+ s1 t21)) (= i1 (+ s1 1)) (= i2 (+ s1 1))), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:17:57,615 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:57,615 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:57,616 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:57,616 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:57,724 INFO L129 PetriNetUnfolder]: 1271/2059 cut-off events. [2021-03-24 15:17:57,724 INFO L130 PetriNetUnfolder]: For 23649/23718 co-relation queries the response was YES. [2021-03-24 15:17:57,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17012 conditions, 2059 events. 1271/2059 cut-off events. For 23649/23718 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 11017 event pairs, 48 based on Foata normal form. 14/2062 useless extension candidates. Maximal degree in co-relation 16751. Up to 1650 conditions per place. [2021-03-24 15:17:57,752 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 443 selfloop transitions, 96 changer transitions 0/551 dead transitions. [2021-03-24 15:17:57,752 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 551 transitions, 9446 flow [2021-03-24 15:17:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:17:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:17:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 190 transitions. [2021-03-24 15:17:57,753 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2021-03-24 15:17:57,753 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 190 transitions. [2021-03-24 15:17:57,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 190 transitions. [2021-03-24 15:17:57,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:57,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 190 transitions. [2021-03-24 15:17:57,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 23.75) internal successors, (190), 8 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:57,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:57,754 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:57,754 INFO L185 Difference]: Start difference. First operand has 153 places, 530 transitions, 7878 flow. Second operand 8 states and 190 transitions. [2021-03-24 15:17:57,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 551 transitions, 9446 flow [2021-03-24 15:17:57,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 551 transitions, 9107 flow, removed 131 selfloop flow, removed 4 redundant places. [2021-03-24 15:17:57,833 INFO L241 Difference]: Finished difference. Result has 158 places, 551 transitions, 8292 flow [2021-03-24 15:17:57,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=7543, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=8292, PETRI_PLACES=158, PETRI_TRANSITIONS=551} [2021-03-24 15:17:57,833 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 127 predicate places. [2021-03-24 15:17:57,833 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 551 transitions, 8292 flow [2021-03-24 15:17:57,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:57,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:57,833 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:58,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-24 15:17:58,048 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:58,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:58,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1615294333, now seen corresponding path program 3 times [2021-03-24 15:17:58,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:58,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101239974] [2021-03-24 15:17:58,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:58,067 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:58,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:58,076 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:17:58,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:17:58,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:58,097 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:58,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:58,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101239974] [2021-03-24 15:17:58,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109346011] [2021-03-24 15:17:58,106 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:58,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:17:58,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:17:58,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-24 15:17:58,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:58,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:58,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:58,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:58,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:58,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:58,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:58,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:58,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:58,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:58,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:58,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:17:58,170 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:17:58,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:58,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:58,171 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:17:58,176 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:58,176 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:58,176 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-03-24 15:17:58,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:58,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:17:58,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:17:58,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,188 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:17:58,189 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:17:58,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,211 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-03-24 15:17:58,212 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 15:17:58,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:58,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:58,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:58,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:58,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:58,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 15:17:58,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435133371] [2021-03-24 15:17:58,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:17:58,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:58,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:17:58,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:17:58,222 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:58,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 551 transitions, 8292 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:58,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:58,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:58,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:58,422 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][34], [Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:17:58,422 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:58,422 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:58,422 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:58,422 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:58,471 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][34], [Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 29#L23true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:17:58,471 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:58,471 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:58,471 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:58,471 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:58,593 INFO L129 PetriNetUnfolder]: 1307/2109 cut-off events. [2021-03-24 15:17:58,593 INFO L130 PetriNetUnfolder]: For 27489/27682 co-relation queries the response was YES. [2021-03-24 15:17:58,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17968 conditions, 2109 events. 1307/2109 cut-off events. For 27489/27682 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 11339 event pairs, 49 based on Foata normal form. 58/2156 useless extension candidates. Maximal degree in co-relation 17705. Up to 1659 conditions per place. [2021-03-24 15:17:58,618 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 423 selfloop transitions, 140 changer transitions 0/575 dead transitions. [2021-03-24 15:17:58,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 575 transitions, 9980 flow [2021-03-24 15:17:58,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:17:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:17:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2021-03-24 15:17:58,620 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8041666666666667 [2021-03-24 15:17:58,620 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 193 transitions. [2021-03-24 15:17:58,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 193 transitions. [2021-03-24 15:17:58,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:58,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 193 transitions. [2021-03-24 15:17:58,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.125) internal successors, (193), 8 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:58,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:58,621 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:58,621 INFO L185 Difference]: Start difference. First operand has 158 places, 551 transitions, 8292 flow. Second operand 8 states and 193 transitions. [2021-03-24 15:17:58,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 575 transitions, 9980 flow [2021-03-24 15:17:58,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 575 transitions, 9668 flow, removed 120 selfloop flow, removed 3 redundant places. [2021-03-24 15:17:58,716 INFO L241 Difference]: Finished difference. Result has 165 places, 573 transitions, 8905 flow [2021-03-24 15:17:58,716 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=7980, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=8905, PETRI_PLACES=165, PETRI_TRANSITIONS=573} [2021-03-24 15:17:58,716 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 134 predicate places. [2021-03-24 15:17:58,716 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 573 transitions, 8905 flow [2021-03-24 15:17:58,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:58,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:58,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:58,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:58,932 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:58,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:58,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1006489451, now seen corresponding path program 4 times [2021-03-24 15:17:58,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:58,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102117838] [2021-03-24 15:17:58,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:58,945 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:58,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:58,949 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-24 15:17:58,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:58,955 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-24 15:17:58,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:17:58,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:58,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:58,970 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:58,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:58,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102117838] [2021-03-24 15:17:58,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338757332] [2021-03-24 15:17:58,978 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:59,006 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:17:59,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:17:59,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-24 15:17:59,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:59,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:59,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:59,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:59,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:59,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,035 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 15:17:59,035 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-24 15:17:59,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:17:59,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:59,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:59,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:59,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:17:59,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:17:59,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:17:59,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:17:59,060 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2021-03-24 15:17:59,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,061 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-24 15:17:59,061 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-24 15:17:59,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:17:59,061 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:17:59,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,066 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:17:59,066 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:14 [2021-03-24 15:17:59,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:59,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:59,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:59,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:17:59,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:59,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:17:59,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 15:17:59,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991151664] [2021-03-24 15:17:59,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:17:59,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:17:59,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:17:59,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:17:59,093 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:17:59,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 573 transitions, 8905 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:59,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:17:59,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:17:59,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:17:59,351 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][31], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:17:59,351 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:17:59,351 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:59,351 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:17:59,351 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:17:59,409 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][31], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 29#L23true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:17:59,409 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:17:59,409 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:17:59,409 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:59,409 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:17:59,485 INFO L129 PetriNetUnfolder]: 1391/2255 cut-off events. [2021-03-24 15:17:59,485 INFO L130 PetriNetUnfolder]: For 32163/32232 co-relation queries the response was YES. [2021-03-24 15:17:59,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19979 conditions, 2255 events. 1391/2255 cut-off events. For 32163/32232 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 12369 event pairs, 37 based on Foata normal form. 32/2276 useless extension candidates. Maximal degree in co-relation 19710. Up to 1730 conditions per place. [2021-03-24 15:17:59,510 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 425 selfloop transitions, 199 changer transitions 0/636 dead transitions. [2021-03-24 15:17:59,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 636 transitions, 11493 flow [2021-03-24 15:17:59,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 15:17:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 15:17:59,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 241 transitions. [2021-03-24 15:17:59,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8033333333333333 [2021-03-24 15:17:59,511 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 241 transitions. [2021-03-24 15:17:59,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 241 transitions. [2021-03-24 15:17:59,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:17:59,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 241 transitions. [2021-03-24 15:17:59,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 24.1) internal successors, (241), 10 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:59,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 30.0) internal successors, (330), 11 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:59,513 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 30.0) internal successors, (330), 11 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:59,513 INFO L185 Difference]: Start difference. First operand has 165 places, 573 transitions, 8905 flow. Second operand 10 states and 241 transitions. [2021-03-24 15:17:59,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 636 transitions, 11493 flow [2021-03-24 15:17:59,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 636 transitions, 10905 flow, removed 212 selfloop flow, removed 3 redundant places. [2021-03-24 15:17:59,635 INFO L241 Difference]: Finished difference. Result has 175 places, 633 transitions, 10133 flow [2021-03-24 15:17:59,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=8348, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=10133, PETRI_PLACES=175, PETRI_TRANSITIONS=633} [2021-03-24 15:17:59,636 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 144 predicate places. [2021-03-24 15:17:59,636 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 633 transitions, 10133 flow [2021-03-24 15:17:59,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:17:59,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:17:59,636 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:17:59,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-24 15:17:59,851 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:17:59,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:17:59,851 INFO L82 PathProgramCache]: Analyzing trace with hash -713807591, now seen corresponding path program 4 times [2021-03-24 15:17:59,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:17:59,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718318760] [2021-03-24 15:17:59,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:17:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:17:59,878 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:17:59,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,882 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-24 15:17:59,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:17:59,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-24 15:17:59,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:17:59,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:17:59,901 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:17:59,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:17:59,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:17:59,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718318760] [2021-03-24 15:17:59,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899740163] [2021-03-24 15:17:59,910 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:17:59,948 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:17:59,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:17:59,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-24 15:17:59,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:17:59,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:59,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:59,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:59,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:59,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:59,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:59,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:59,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:17:59,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:59,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:59,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:59,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:59,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,981 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-24 15:17:59,981 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:17:59,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:59,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:59,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:17:59,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:17:59,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:17:59,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:00,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:00,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,014 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2021-03-24 15:18:00,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,015 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-24 15:18:00,015 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-24 15:18:00,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:00,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:18:00,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:00,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 15:18:00,019 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:10 [2021-03-24 15:18:00,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:00,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:00,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:00,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:00,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:00,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:00,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:00,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:00,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-24 15:18:00,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52535881] [2021-03-24 15:18:00,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:18:00,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:00,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:18:00,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:18:00,034 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:00,035 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 633 transitions, 10133 flow. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:00,035 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:00,035 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:00,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:00,247 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:00,247 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:00,247 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:00,247 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:00,247 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:00,306 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 157#true, 29#L23true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 231#(and (<= 0 s1) (<= s1 0) (= (select x i2) t12) (= s2 0)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 167#(and (= s2 s1) (= s1 0)), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), 893#true, Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:18:00,306 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:00,306 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:00,306 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:00,306 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:00,382 INFO L129 PetriNetUnfolder]: 1427/2320 cut-off events. [2021-03-24 15:18:00,382 INFO L130 PetriNetUnfolder]: For 34675/34903 co-relation queries the response was YES. [2021-03-24 15:18:00,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20963 conditions, 2320 events. 1427/2320 cut-off events. For 34675/34903 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 12874 event pairs, 41 based on Foata normal form. 115/2424 useless extension candidates. Maximal degree in co-relation 20687. Up to 1776 conditions per place. [2021-03-24 15:18:00,408 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 436 selfloop transitions, 209 changer transitions 0/657 dead transitions. [2021-03-24 15:18:00,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 657 transitions, 11938 flow [2021-03-24 15:18:00,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 15:18:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 15:18:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 241 transitions. [2021-03-24 15:18:00,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8033333333333333 [2021-03-24 15:18:00,409 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 241 transitions. [2021-03-24 15:18:00,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 241 transitions. [2021-03-24 15:18:00,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:00,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 241 transitions. [2021-03-24 15:18:00,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 24.1) internal successors, (241), 10 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:00,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 30.0) internal successors, (330), 11 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:00,410 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 30.0) internal successors, (330), 11 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:00,410 INFO L185 Difference]: Start difference. First operand has 175 places, 633 transitions, 10133 flow. Second operand 10 states and 241 transitions. [2021-03-24 15:18:00,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 657 transitions, 11938 flow [2021-03-24 15:18:00,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 657 transitions, 11253 flow, removed 297 selfloop flow, removed 2 redundant places. [2021-03-24 15:18:00,536 INFO L241 Difference]: Finished difference. Result has 184 places, 655 transitions, 10379 flow [2021-03-24 15:18:00,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=9553, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=10379, PETRI_PLACES=184, PETRI_TRANSITIONS=655} [2021-03-24 15:18:00,537 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 153 predicate places. [2021-03-24 15:18:00,537 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 655 transitions, 10379 flow [2021-03-24 15:18:00,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:00,537 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:00,537 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:00,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-24 15:18:00,752 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:00,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:00,752 INFO L82 PathProgramCache]: Analyzing trace with hash -479669053, now seen corresponding path program 5 times [2021-03-24 15:18:00,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:00,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786570846] [2021-03-24 15:18:00,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:00,776 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:18:00,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,780 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-24 15:18:00,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:00,786 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:18:00,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:00,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:00,805 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:18:00,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:00,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:00,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786570846] [2021-03-24 15:18:00,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587571402] [2021-03-24 15:18:00,813 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:00,888 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:18:00,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:00,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-24 15:18:00,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:00,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:00,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:00,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:00,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:18:00,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:00,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:00,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:00,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:00,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:00,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:00,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-03-24 15:18:00,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:18:00,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:00,928 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:00,928 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-03-24 15:18:00,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:00,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:00,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,937 INFO L147 QuantifierPusher]: treesize reduction 6, result has 66.7 percent of original size 12 [2021-03-24 15:18:00,937 INFO L142 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-03-24 15:18:00,937 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-03-24 15:18:00,937 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-03-24 15:18:00,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:00,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,945 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-03-24 15:18:00,946 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 15:18:00,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:00,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:00,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:00,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-24 15:18:00,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423878745] [2021-03-24 15:18:00,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:18:00,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:00,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:18:00,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:18:00,966 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:00,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 655 transitions, 10379 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:00,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:00,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:00,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:01,355 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, Black: 1168#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 18#L36true, Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:01,355 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:01,355 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:01,355 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:01,355 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:01,425 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, Black: 1168#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 18#L36true, Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 29#L23true, 157#true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), 893#true, Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:18:01,425 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:01,425 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:01,425 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:01,425 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:01,516 INFO L129 PetriNetUnfolder]: 1550/2511 cut-off events. [2021-03-24 15:18:01,516 INFO L130 PetriNetUnfolder]: For 39749/39985 co-relation queries the response was YES. [2021-03-24 15:18:01,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22956 conditions, 2511 events. 1550/2511 cut-off events. For 39749/39985 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 14161 event pairs, 43 based on Foata normal form. 159/2660 useless extension candidates. Maximal degree in co-relation 22677. Up to 1903 conditions per place. [2021-03-24 15:18:01,545 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 530 selfloop transitions, 171 changer transitions 0/713 dead transitions. [2021-03-24 15:18:01,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 713 transitions, 13071 flow [2021-03-24 15:18:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 15:18:01,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 15:18:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 344 transitions. [2021-03-24 15:18:01,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7644444444444445 [2021-03-24 15:18:01,547 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 344 transitions. [2021-03-24 15:18:01,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 344 transitions. [2021-03-24 15:18:01,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:01,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 344 transitions. [2021-03-24 15:18:01,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 22.933333333333334) internal successors, (344), 15 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:01,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 30.0) internal successors, (480), 16 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:01,549 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 30.0) internal successors, (480), 16 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:01,549 INFO L185 Difference]: Start difference. First operand has 184 places, 655 transitions, 10379 flow. Second operand 15 states and 344 transitions. [2021-03-24 15:18:01,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 713 transitions, 13071 flow [2021-03-24 15:18:01,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 713 transitions, 12621 flow, removed 127 selfloop flow, removed 4 redundant places. [2021-03-24 15:18:01,686 INFO L241 Difference]: Finished difference. Result has 199 places, 690 transitions, 11223 flow [2021-03-24 15:18:01,687 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=9975, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11223, PETRI_PLACES=199, PETRI_TRANSITIONS=690} [2021-03-24 15:18:01,687 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 168 predicate places. [2021-03-24 15:18:01,687 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 690 transitions, 11223 flow [2021-03-24 15:18:01,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:01,687 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:01,687 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:01,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:01,889 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:01,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:01,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1219153909, now seen corresponding path program 6 times [2021-03-24 15:18:01,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:01,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483379930] [2021-03-24 15:18:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:01,940 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:18:01,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:01,944 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-24 15:18:01,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:01,949 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:18:01,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:01,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:01,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:01,981 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:18:01,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:01,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:01,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483379930] [2021-03-24 15:18:01,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740330348] [2021-03-24 15:18:01,988 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:02,015 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:18:02,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:02,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-24 15:18:02,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:02,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:02,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:02,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:02,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:02,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:02,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:02,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:02,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:02,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:02,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:02,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:02,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:02,077 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:18:02,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:02,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:02,079 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:18:02,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:02,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:02,096 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-03-24 15:18:02,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:02,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:02,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,108 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:18:02,111 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:18:02,112 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:18:02,112 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:18:02,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:02,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:02,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:02,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:02,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:02,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:02,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:02,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:02,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 15:18:02,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130016819] [2021-03-24 15:18:02,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:18:02,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:02,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:18:02,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:18:02,176 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:02,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 690 transitions, 11223 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:02,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:02,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:02,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:02,476 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, Black: 1168#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1244#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 1251#true, 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:02,476 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:02,476 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:02,476 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:02,476 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:02,622 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, Black: 1168#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 29#L23true, 670#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1244#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 1251#true, 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:02,623 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:02,623 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:02,623 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:02,623 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:02,750 INFO L129 PetriNetUnfolder]: 1577/2568 cut-off events. [2021-03-24 15:18:02,750 INFO L130 PetriNetUnfolder]: For 43222/43310 co-relation queries the response was YES. [2021-03-24 15:18:02,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23959 conditions, 2568 events. 1577/2568 cut-off events. For 43222/43310 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 14730 event pairs, 43 based on Foata normal form. 27/2585 useless extension candidates. Maximal degree in co-relation 23660. Up to 2016 conditions per place. [2021-03-24 15:18:02,782 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 513 selfloop transitions, 185 changer transitions 0/710 dead transitions. [2021-03-24 15:18:02,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 710 transitions, 13036 flow [2021-03-24 15:18:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 15:18:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 15:18:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-03-24 15:18:02,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8037037037037037 [2021-03-24 15:18:02,790 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-03-24 15:18:02,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-03-24 15:18:02,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:02,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-03-24 15:18:02,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:02,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:02,792 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:02,792 INFO L185 Difference]: Start difference. First operand has 199 places, 690 transitions, 11223 flow. Second operand 9 states and 217 transitions. [2021-03-24 15:18:02,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 710 transitions, 13036 flow [2021-03-24 15:18:02,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 710 transitions, 12858 flow, removed 55 selfloop flow, removed 7 redundant places. [2021-03-24 15:18:02,935 INFO L241 Difference]: Finished difference. Result has 204 places, 710 transitions, 11994 flow [2021-03-24 15:18:02,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=11045, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=690, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=11994, PETRI_PLACES=204, PETRI_TRANSITIONS=710} [2021-03-24 15:18:02,936 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 173 predicate places. [2021-03-24 15:18:02,936 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 710 transitions, 11994 flow [2021-03-24 15:18:02,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:02,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:02,936 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:03,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:03,148 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:03,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:03,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1845843547, now seen corresponding path program 5 times [2021-03-24 15:18:03,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:03,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086165782] [2021-03-24 15:18:03,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:03,163 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:18:03,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:03,166 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-24 15:18:03,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:03,173 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:18:03,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:03,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:03,203 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:18:03,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:03,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086165782] [2021-03-24 15:18:03,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402418003] [2021-03-24 15:18:03,223 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:03,273 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:18:03,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:03,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-24 15:18:03,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:03,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:03,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:18:03,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:03,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:03,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:18:03,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:03,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:03,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:18:03,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-24 15:18:03,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:03,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:03,312 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:18:03,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:03,319 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:03,319 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:23 [2021-03-24 15:18:03,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:03,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:03,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:03,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:03,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:03,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:03,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:03,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:03,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:03,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:03,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-24 15:18:03,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873160004] [2021-03-24 15:18:03,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:18:03,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:03,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:18:03,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:18:03,371 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:03,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 710 transitions, 11994 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:03,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:03,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:03,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:03,663 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][44], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, Black: 1168#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1318#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (= s1 0) (= (select x i1) t11)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1274#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1244#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 1251#true, 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:03,663 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:03,663 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:03,663 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:03,663 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:03,802 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][44], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, Black: 1168#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 29#L23true, 670#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1318#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (= s1 0) (= (select x i1) t11)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1274#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1244#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 1251#true, 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:03,802 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:03,802 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:03,802 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:03,802 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:03,896 INFO L129 PetriNetUnfolder]: 1628/2657 cut-off events. [2021-03-24 15:18:03,896 INFO L130 PetriNetUnfolder]: For 47418/47459 co-relation queries the response was YES. [2021-03-24 15:18:03,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25658 conditions, 2657 events. 1628/2657 cut-off events. For 47418/47459 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 15427 event pairs, 39 based on Foata normal form. 19/2667 useless extension candidates. Maximal degree in co-relation 25342. Up to 2114 conditions per place. [2021-03-24 15:18:03,926 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 620 selfloop transitions, 129 changer transitions 0/761 dead transitions. [2021-03-24 15:18:03,926 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 761 transitions, 14719 flow [2021-03-24 15:18:03,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 15:18:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 15:18:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 326 transitions. [2021-03-24 15:18:03,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7761904761904762 [2021-03-24 15:18:03,927 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 326 transitions. [2021-03-24 15:18:03,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 326 transitions. [2021-03-24 15:18:03,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:03,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 326 transitions. [2021-03-24 15:18:03,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 23.285714285714285) internal successors, (326), 14 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:03,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 30.0) internal successors, (450), 15 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:03,928 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 30.0) internal successors, (450), 15 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:03,928 INFO L185 Difference]: Start difference. First operand has 204 places, 710 transitions, 11994 flow. Second operand 14 states and 326 transitions. [2021-03-24 15:18:03,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 761 transitions, 14719 flow [2021-03-24 15:18:04,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 761 transitions, 14221 flow, removed 123 selfloop flow, removed 4 redundant places. [2021-03-24 15:18:04,083 INFO L241 Difference]: Finished difference. Result has 218 places, 758 transitions, 13107 flow [2021-03-24 15:18:04,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=11505, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13107, PETRI_PLACES=218, PETRI_TRANSITIONS=758} [2021-03-24 15:18:04,083 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 187 predicate places. [2021-03-24 15:18:04,083 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 758 transitions, 13107 flow [2021-03-24 15:18:04,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:04,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:04,084 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:04,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:04,298 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:04,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:04,298 INFO L82 PathProgramCache]: Analyzing trace with hash -837157085, now seen corresponding path program 6 times [2021-03-24 15:18:04,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:04,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183756066] [2021-03-24 15:18:04,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:04,333 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:18:04,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:04,336 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-24 15:18:04,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,343 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:18:04,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:04,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:04,361 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:18:04,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:04,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183756066] [2021-03-24 15:18:04,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987944953] [2021-03-24 15:18:04,369 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:04,424 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:18:04,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:04,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-24 15:18:04,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:04,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:04,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:04,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:04,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:04,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:04,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:04,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:04,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:04,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:04,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:04,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:04,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:04,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:04,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:04,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:04,457 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:18:04,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:04,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:04,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:18:04,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:04,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:04,463 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-03-24 15:18:04,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:04,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:04,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:04,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,475 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:18:04,475 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:18:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:04,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:04,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:04,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:04,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:04,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:04,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:04,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 15:18:04,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678400765] [2021-03-24 15:18:04,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:18:04,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:04,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:18:04,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:18:04,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:04,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 758 transitions, 13107 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:04,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:04,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:04,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:04,777 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][34], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, Black: 1168#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 18#L36true, Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1318#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (= s1 0) (= (select x i1) t11)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1274#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1244#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:04,777 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:04,777 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:04,777 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:04,777 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:04,894 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][34], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, Black: 1168#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 18#L36true, Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 29#L23true, 157#true, 670#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1318#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (= s1 0) (= (select x i1) t11)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1274#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1244#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:04,894 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:04,894 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:04,894 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:04,894 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:05,020 INFO L129 PetriNetUnfolder]: 1661/2722 cut-off events. [2021-03-24 15:18:05,020 INFO L130 PetriNetUnfolder]: For 52200/52456 co-relation queries the response was YES. [2021-03-24 15:18:05,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26626 conditions, 2722 events. 1661/2722 cut-off events. For 52200/52456 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 15930 event pairs, 44 based on Foata normal form. 102/2811 useless extension candidates. Maximal degree in co-relation 26344. Up to 2127 conditions per place. [2021-03-24 15:18:05,060 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 574 selfloop transitions, 197 changer transitions 0/783 dead transitions. [2021-03-24 15:18:05,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 783 transitions, 15275 flow [2021-03-24 15:18:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 15:18:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 15:18:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-03-24 15:18:05,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8037037037037037 [2021-03-24 15:18:05,062 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-03-24 15:18:05,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-03-24 15:18:05,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:05,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-03-24 15:18:05,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:05,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:05,063 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:05,063 INFO L185 Difference]: Start difference. First operand has 218 places, 758 transitions, 13107 flow. Second operand 9 states and 217 transitions. [2021-03-24 15:18:05,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 783 transitions, 15275 flow [2021-03-24 15:18:05,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 783 transitions, 14812 flow, removed 209 selfloop flow, removed 5 redundant places. [2021-03-24 15:18:05,262 INFO L241 Difference]: Finished difference. Result has 223 places, 783 transitions, 13740 flow [2021-03-24 15:18:05,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=12680, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13740, PETRI_PLACES=223, PETRI_TRANSITIONS=783} [2021-03-24 15:18:05,262 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 192 predicate places. [2021-03-24 15:18:05,262 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 783 transitions, 13740 flow [2021-03-24 15:18:05,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:05,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:05,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:05,477 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-24 15:18:05,477 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:05,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:05,478 INFO L82 PathProgramCache]: Analyzing trace with hash 788087677, now seen corresponding path program 4 times [2021-03-24 15:18:05,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:05,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133482249] [2021-03-24 15:18:05,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:05,490 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 15:18:05,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:05,495 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 15:18:05,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:05,501 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-03-24 15:18:05,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:05,510 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-24 15:18:05,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:05,518 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-24 15:18:05,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:05,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133482249] [2021-03-24 15:18:05,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15113022] [2021-03-24 15:18:05,526 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:05,549 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:18:05,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:05,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-24 15:18:05,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:05,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:05,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:05,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:05,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:05,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:05,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:05,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:05,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:05,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:05,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:05,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:05,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:05,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:05,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:05,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:05,580 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:18:05,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:05,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:05,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:18:05,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:05,587 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:05,587 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:12 [2021-03-24 15:18:05,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:05,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:05,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,597 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:18:05,598 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:18:05,598 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-24 15:18:05,598 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-24 15:18:05,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:05,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:05,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:05,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:05,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:05,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:05,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:05,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:05,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:05,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-24 15:18:05,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974054896] [2021-03-24 15:18:05,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:18:05,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:05,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:18:05,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:18:05,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:05,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 783 transitions, 13740 flow. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:05,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:05,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:05,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:05,903 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1318#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (= s1 0) (= (select x i1) t11)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1274#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1470#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:05,903 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:05,903 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:05,903 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:05,904 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:05,993 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 29#L23true, 157#true, 670#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1318#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (= s1 0) (= (select x i1) t11)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1274#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1470#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), 893#true, Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true]) [2021-03-24 15:18:05,993 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:05,993 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:05,993 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:05,993 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:06,111 INFO L129 PetriNetUnfolder]: 1682/2759 cut-off events. [2021-03-24 15:18:06,111 INFO L130 PetriNetUnfolder]: For 56208/56453 co-relation queries the response was YES. [2021-03-24 15:18:06,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27365 conditions, 2759 events. 1682/2759 cut-off events. For 56208/56453 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 16185 event pairs, 47 based on Foata normal form. 97/2843 useless extension candidates. Maximal degree in co-relation 27088. Up to 2155 conditions per place. [2021-03-24 15:18:06,145 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 598 selfloop transitions, 189 changer transitions 0/799 dead transitions. [2021-03-24 15:18:06,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 799 transitions, 15704 flow [2021-03-24 15:18:06,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 15:18:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 15:18:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 239 transitions. [2021-03-24 15:18:06,146 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7966666666666666 [2021-03-24 15:18:06,146 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 239 transitions. [2021-03-24 15:18:06,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 239 transitions. [2021-03-24 15:18:06,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:06,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 239 transitions. [2021-03-24 15:18:06,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 23.9) internal successors, (239), 10 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:06,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 30.0) internal successors, (330), 11 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:06,147 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 30.0) internal successors, (330), 11 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:06,147 INFO L185 Difference]: Start difference. First operand has 223 places, 783 transitions, 13740 flow. Second operand 10 states and 239 transitions. [2021-03-24 15:18:06,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 799 transitions, 15704 flow [2021-03-24 15:18:06,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 799 transitions, 14923 flow, removed 222 selfloop flow, removed 6 redundant places. [2021-03-24 15:18:06,420 INFO L241 Difference]: Finished difference. Result has 228 places, 799 transitions, 13787 flow [2021-03-24 15:18:06,420 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=12959, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=783, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=594, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=13787, PETRI_PLACES=228, PETRI_TRANSITIONS=799} [2021-03-24 15:18:06,421 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 197 predicate places. [2021-03-24 15:18:06,421 INFO L480 AbstractCegarLoop]: Abstraction has has 228 places, 799 transitions, 13787 flow [2021-03-24 15:18:06,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:06,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:06,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:06,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-03-24 15:18:06,636 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:06,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:06,636 INFO L82 PathProgramCache]: Analyzing trace with hash 266002135, now seen corresponding path program 5 times [2021-03-24 15:18:06,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:06,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924386283] [2021-03-24 15:18:06,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:06,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 15:18:06,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,651 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 15:18:06,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:06,657 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-03-24 15:18:06,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:06,665 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-24 15:18:06,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:06,673 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-24 15:18:06,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:06,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:06,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924386283] [2021-03-24 15:18:06,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152339210] [2021-03-24 15:18:06,681 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:06,702 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:18:06,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:06,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-24 15:18:06,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:06,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:06,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:06,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:06,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:06,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:18:06,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:06,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:06,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:06,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:06,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-03-24 15:18:06,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:06,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:06,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:18:06,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:06,748 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:06,748 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:18 [2021-03-24 15:18:06,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:06,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:06,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:06,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:06,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,774 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-24 15:18:06,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-24 15:18:06,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:06,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:06,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:06,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-24 15:18:06,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353473048] [2021-03-24 15:18:06,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:18:06,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:06,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:18:06,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:18:06,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:06,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 799 transitions, 13787 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:06,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:06,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:06,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:07,194 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][30], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1318#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (= s1 0) (= (select x i1) t11)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1470#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:07,194 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:07,194 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:07,194 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:07,194 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:07,287 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][30], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 613#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t22)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 29#L23true, 670#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1318#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (= s1 0) (= (select x i1) t11)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 251#(and (= s2 s1) (= s1 0) (= s1 i1) (= (select x (+ s1 1)) t12)), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1470#true, Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:07,287 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:07,287 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:07,287 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:07,287 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:07,414 INFO L129 PetriNetUnfolder]: 1751/2855 cut-off events. [2021-03-24 15:18:07,414 INFO L130 PetriNetUnfolder]: For 61803/61897 co-relation queries the response was YES. [2021-03-24 15:18:07,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29054 conditions, 2855 events. 1751/2855 cut-off events. For 61803/61897 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 16689 event pairs, 46 based on Foata normal form. 57/2896 useless extension candidates. Maximal degree in co-relation 28775. Up to 2264 conditions per place. [2021-03-24 15:18:07,450 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 702 selfloop transitions, 154 changer transitions 0/868 dead transitions. [2021-03-24 15:18:07,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 868 transitions, 17638 flow [2021-03-24 15:18:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 15:18:07,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 15:18:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 328 transitions. [2021-03-24 15:18:07,451 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.780952380952381 [2021-03-24 15:18:07,451 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 328 transitions. [2021-03-24 15:18:07,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 328 transitions. [2021-03-24 15:18:07,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:07,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 328 transitions. [2021-03-24 15:18:07,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 23.428571428571427) internal successors, (328), 14 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:07,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 30.0) internal successors, (450), 15 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:07,453 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 30.0) internal successors, (450), 15 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:07,453 INFO L185 Difference]: Start difference. First operand has 228 places, 799 transitions, 13787 flow. Second operand 14 states and 328 transitions. [2021-03-24 15:18:07,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 868 transitions, 17638 flow [2021-03-24 15:18:07,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 868 transitions, 16700 flow, removed 155 selfloop flow, removed 10 redundant places. [2021-03-24 15:18:07,674 INFO L241 Difference]: Finished difference. Result has 236 places, 863 transitions, 15349 flow [2021-03-24 15:18:07,675 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=12921, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=799, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=671, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=15349, PETRI_PLACES=236, PETRI_TRANSITIONS=863} [2021-03-24 15:18:07,675 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 205 predicate places. [2021-03-24 15:18:07,675 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 863 transitions, 15349 flow [2021-03-24 15:18:07,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:07,675 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:07,675 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:07,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:07,890 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:07,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:07,890 INFO L82 PathProgramCache]: Analyzing trace with hash -429445835, now seen corresponding path program 4 times [2021-03-24 15:18:07,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:07,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827183673] [2021-03-24 15:18:07,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:07,905 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:18:07,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:07,908 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-24 15:18:07,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:07,914 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-24 15:18:07,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:07,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:07,927 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:18:07,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:07,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827183673] [2021-03-24 15:18:07,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324935310] [2021-03-24 15:18:07,935 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:07,956 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:18:07,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:07,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-24 15:18:07,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:07,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:07,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:07,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:07,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:07,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:07,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,989 INFO L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-03-24 15:18:07,989 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-24 15:18:07,991 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-03-24 15:18:07,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-24 15:18:07,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:07,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:07,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,001 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:18:08,001 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:18:08,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:08,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:08,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:08,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:08,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:08,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:08,008 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:18:08,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:08,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:08,009 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:18:08,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:08,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:08,014 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-03-24 15:18:08,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:08,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:08,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:08,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:08,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:08,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:08,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-24 15:18:08,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635410308] [2021-03-24 15:18:08,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 15:18:08,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:08,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 15:18:08,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-03-24 15:18:08,051 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:08,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 863 transitions, 15349 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:08,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:08,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:08,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:08,301 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][31], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:08,301 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:08,301 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:08,400 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][31], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 21#L79true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 29#L23true, 670#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, Black: 76#(<= (+ i2 1) i1), 740#true, Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true]) [2021-03-24 15:18:08,400 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:08,400 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:08,400 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:08,400 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:08,527 INFO L129 PetriNetUnfolder]: 1766/2885 cut-off events. [2021-03-24 15:18:08,527 INFO L130 PetriNetUnfolder]: For 65990/66091 co-relation queries the response was YES. [2021-03-24 15:18:08,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29634 conditions, 2885 events. 1766/2885 cut-off events. For 65990/66091 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 16919 event pairs, 45 based on Foata normal form. 28/2898 useless extension candidates. Maximal degree in co-relation 29396. Up to 2324 conditions per place. [2021-03-24 15:18:08,563 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 787 selfloop transitions, 78 changer transitions 0/877 dead transitions. [2021-03-24 15:18:08,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 877 transitions, 17529 flow [2021-03-24 15:18:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 15:18:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 15:18:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 166 transitions. [2021-03-24 15:18:08,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7904761904761904 [2021-03-24 15:18:08,564 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 166 transitions. [2021-03-24 15:18:08,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 166 transitions. [2021-03-24 15:18:08,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:08,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 166 transitions. [2021-03-24 15:18:08,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:08,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 30.0) internal successors, (240), 8 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:08,565 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 30.0) internal successors, (240), 8 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:08,565 INFO L185 Difference]: Start difference. First operand has 236 places, 863 transitions, 15349 flow. Second operand 7 states and 166 transitions. [2021-03-24 15:18:08,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 877 transitions, 17529 flow [2021-03-24 15:18:08,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 877 transitions, 16896 flow, removed 304 selfloop flow, removed 5 redundant places. [2021-03-24 15:18:08,804 INFO L241 Difference]: Finished difference. Result has 240 places, 877 transitions, 15417 flow [2021-03-24 15:18:08,804 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=14746, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=789, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=15417, PETRI_PLACES=240, PETRI_TRANSITIONS=877} [2021-03-24 15:18:08,804 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 209 predicate places. [2021-03-24 15:18:08,804 INFO L480 AbstractCegarLoop]: Abstraction has has 240 places, 877 transitions, 15417 flow [2021-03-24 15:18:08,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:08,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:08,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:09,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-24 15:18:09,018 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:09,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:09,019 INFO L82 PathProgramCache]: Analyzing trace with hash 43146437, now seen corresponding path program 6 times [2021-03-24 15:18:09,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:09,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610275630] [2021-03-24 15:18:09,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:09,038 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 15:18:09,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:09,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:09,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,055 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-24 15:18:09,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:09,063 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-24 15:18:09,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:09,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610275630] [2021-03-24 15:18:09,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724374680] [2021-03-24 15:18:09,072 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:09,093 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:18:09,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:09,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-24 15:18:09,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:09,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:09,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:09,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:09,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:09,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:09,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:09,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:09,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:09,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:09,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:09,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:09,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:09,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:09,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:09,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:09,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:09,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:09,122 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2021-03-24 15:18:09,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,125 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:18:09,126 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:09,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:09,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:09,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:09,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:18:09,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:09,135 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:09,135 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:16 [2021-03-24 15:18:09,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:09,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:09,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,147 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-03-24 15:18:09,147 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 15:18:09,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:09,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:09,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:09,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:09,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:09,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:09,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-24 15:18:09,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816665426] [2021-03-24 15:18:09,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 15:18:09,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:09,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 15:18:09,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-24 15:18:09,174 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:09,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 877 transitions, 15417 flow. Second operand has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:09,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:09,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:09,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:09,485 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1172#true, 1684#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true]) [2021-03-24 15:18:09,485 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:09,485 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:09,485 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:09,485 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:09,588 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true]) [2021-03-24 15:18:09,589 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:09,589 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:09,589 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:09,589 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:09,729 INFO L129 PetriNetUnfolder]: 1826/2991 cut-off events. [2021-03-24 15:18:09,729 INFO L130 PetriNetUnfolder]: For 68921/69023 co-relation queries the response was YES. [2021-03-24 15:18:09,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30799 conditions, 2991 events. 1826/2991 cut-off events. For 68921/69023 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 17806 event pairs, 48 based on Foata normal form. 43/3019 useless extension candidates. Maximal degree in co-relation 30555. Up to 2307 conditions per place. [2021-03-24 15:18:09,771 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 643 selfloop transitions, 262 changer transitions 0/917 dead transitions. [2021-03-24 15:18:09,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 917 transitions, 18402 flow [2021-03-24 15:18:09,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 15:18:09,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 15:18:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 194 transitions. [2021-03-24 15:18:09,772 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8083333333333333 [2021-03-24 15:18:09,772 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 194 transitions. [2021-03-24 15:18:09,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 194 transitions. [2021-03-24 15:18:09,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:09,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 194 transitions. [2021-03-24 15:18:09,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:09,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:09,773 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 30.0) internal successors, (270), 9 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:09,773 INFO L185 Difference]: Start difference. First operand has 240 places, 877 transitions, 15417 flow. Second operand 8 states and 194 transitions. [2021-03-24 15:18:09,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 917 transitions, 18402 flow [2021-03-24 15:18:10,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 917 transitions, 18097 flow, removed 141 selfloop flow, removed 2 redundant places. [2021-03-24 15:18:10,023 INFO L241 Difference]: Finished difference. Result has 248 places, 916 transitions, 16933 flow [2021-03-24 15:18:10,023 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=15112, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=877, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=634, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16933, PETRI_PLACES=248, PETRI_TRANSITIONS=916} [2021-03-24 15:18:10,023 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 217 predicate places. [2021-03-24 15:18:10,023 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 916 transitions, 16933 flow [2021-03-24 15:18:10,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:10,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:10,024 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:10,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:10,238 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:10,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:10,238 INFO L82 PathProgramCache]: Analyzing trace with hash -683658121, now seen corresponding path program 5 times [2021-03-24 15:18:10,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:10,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580548280] [2021-03-24 15:18:10,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:10,257 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:18:10,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:10,260 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-24 15:18:10,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:10,266 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:18:10,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:10,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:10,284 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:18:10,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:10,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580548280] [2021-03-24 15:18:10,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138629505] [2021-03-24 15:18:10,291 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:10,342 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:18:10,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:10,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-24 15:18:10,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:10,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:10,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:10,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:10,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:10,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:10,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:10,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:10,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:10,370 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:18:10,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:10,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:10,373 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:18:10,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:10,377 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:10,377 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:12 [2021-03-24 15:18:10,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:10,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:10,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,387 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:18:10,387 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:18:10,387 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-24 15:18:10,387 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-24 15:18:10,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:10,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:10,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:10,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:10,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:10,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:10,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:10,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:10,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:10,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:10,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:10,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:10,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:10,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:10,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-24 15:18:10,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369844270] [2021-03-24 15:18:10,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:18:10,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:10,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:18:10,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:18:10,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:10,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 916 transitions, 16933 flow. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:10,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:10,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:10,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:10,717 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][32], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true]) [2021-03-24 15:18:10,717 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:10,717 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:10,718 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:10,718 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:10,900 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][32], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true]) [2021-03-24 15:18:10,900 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:10,900 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:10,900 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:10,900 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:11,039 INFO L129 PetriNetUnfolder]: 1858/3044 cut-off events. [2021-03-24 15:18:11,040 INFO L130 PetriNetUnfolder]: For 78085/78186 co-relation queries the response was YES. [2021-03-24 15:18:11,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32432 conditions, 3044 events. 1858/3044 cut-off events. For 78085/78186 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 18191 event pairs, 48 based on Foata normal form. 28/3058 useless extension candidates. Maximal degree in co-relation 32183. Up to 2391 conditions per place. [2021-03-24 15:18:11,079 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 704 selfloop transitions, 225 changer transitions 0/941 dead transitions. [2021-03-24 15:18:11,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 941 transitions, 19620 flow [2021-03-24 15:18:11,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 15:18:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 15:18:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-03-24 15:18:11,080 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8037037037037037 [2021-03-24 15:18:11,080 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-03-24 15:18:11,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-03-24 15:18:11,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:11,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-03-24 15:18:11,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:11,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:11,081 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:11,081 INFO L185 Difference]: Start difference. First operand has 248 places, 916 transitions, 16933 flow. Second operand 9 states and 217 transitions. [2021-03-24 15:18:11,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 941 transitions, 19620 flow [2021-03-24 15:18:11,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 941 transitions, 18630 flow, removed 384 selfloop flow, removed 3 redundant places. [2021-03-24 15:18:11,368 INFO L241 Difference]: Finished difference. Result has 255 places, 941 transitions, 17279 flow [2021-03-24 15:18:11,369 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=15950, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=916, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=17279, PETRI_PLACES=255, PETRI_TRANSITIONS=941} [2021-03-24 15:18:11,369 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 224 predicate places. [2021-03-24 15:18:11,369 INFO L480 AbstractCegarLoop]: Abstraction has has 255 places, 941 transitions, 17279 flow [2021-03-24 15:18:11,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:11,369 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:11,369 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:11,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-24 15:18:11,583 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:11,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:11,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1203152951, now seen corresponding path program 6 times [2021-03-24 15:18:11,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:11,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701284438] [2021-03-24 15:18:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:11,623 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:18:11,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,627 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-24 15:18:11,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,632 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:18:11,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:11,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:11,664 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 15:18:11,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:11,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701284438] [2021-03-24 15:18:11,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610551590] [2021-03-24 15:18:11,672 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:11,697 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:18:11,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:11,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-24 15:18:11,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:11,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:11,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:11,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:11,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:11,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:11,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:11,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:11,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:11,732 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-24 15:18:11,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:11,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:11,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-24 15:18:11,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:11,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:11,744 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-03-24 15:18:11,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:11,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:11,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:11,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:11,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,779 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-03-24 15:18:11,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 15:18:11,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:11,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:11,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:11,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:11,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:11,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:11,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:11,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-24 15:18:11,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145844508] [2021-03-24 15:18:11,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 15:18:11,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:11,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 15:18:11,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-03-24 15:18:11,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:11,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 941 transitions, 17279 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:11,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:11,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:11,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:12,317 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][32], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1816#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true]) [2021-03-24 15:18:12,317 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-24 15:18:12,317 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:12,318 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:12,318 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:12,502 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][32], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1816#true, 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 745#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), 893#true, Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true]) [2021-03-24 15:18:12,502 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-24 15:18:12,502 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:12,502 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:12,502 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:12,661 INFO L129 PetriNetUnfolder]: 1889/3091 cut-off events. [2021-03-24 15:18:12,661 INFO L130 PetriNetUnfolder]: For 77837/77941 co-relation queries the response was YES. [2021-03-24 15:18:12,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32831 conditions, 3091 events. 1889/3091 cut-off events. For 77837/77941 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 18505 event pairs, 50 based on Foata normal form. 28/3104 useless extension candidates. Maximal degree in co-relation 32578. Up to 2431 conditions per place. [2021-03-24 15:18:12,710 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 725 selfloop transitions, 226 changer transitions 0/963 dead transitions. [2021-03-24 15:18:12,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 963 transitions, 19787 flow [2021-03-24 15:18:12,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 15:18:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 15:18:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-03-24 15:18:12,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8037037037037037 [2021-03-24 15:18:12,715 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-03-24 15:18:12,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-03-24 15:18:12,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:12,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-03-24 15:18:12,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:12,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:12,724 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:12,724 INFO L185 Difference]: Start difference. First operand has 255 places, 941 transitions, 17279 flow. Second operand 9 states and 217 transitions. [2021-03-24 15:18:12,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 963 transitions, 19787 flow [2021-03-24 15:18:13,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 963 transitions, 19080 flow, removed 283 selfloop flow, removed 4 redundant places. [2021-03-24 15:18:13,035 INFO L241 Difference]: Finished difference. Result has 261 places, 963 transitions, 17708 flow [2021-03-24 15:18:13,036 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=16572, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=941, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=17708, PETRI_PLACES=261, PETRI_TRANSITIONS=963} [2021-03-24 15:18:13,036 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 230 predicate places. [2021-03-24 15:18:13,036 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 963 transitions, 17708 flow [2021-03-24 15:18:13,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:13,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:13,036 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:13,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-24 15:18:13,251 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:13,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:13,251 INFO L82 PathProgramCache]: Analyzing trace with hash -222101952, now seen corresponding path program 7 times [2021-03-24 15:18:13,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:13,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419283570] [2021-03-24 15:18:13,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:13,257 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:18:13,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:13,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-24 15:18:13,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:13,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:13,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:13,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 15:18:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:13,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419283570] [2021-03-24 15:18:13,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248900815] [2021-03-24 15:18:13,282 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:13,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:18:13,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:13,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:13,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:13,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:13,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:13,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:13,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:13,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:13,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:13,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:13,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:13,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:13,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:13,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:13,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:13,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:13,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:13,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:13,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:13,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:13,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:13,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:13,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:13,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:13,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:13,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-24 15:18:13,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 8 [2021-03-24 15:18:13,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838593985] [2021-03-24 15:18:13,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 15:18:13,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:13,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 15:18:13,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:18:13,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 30 [2021-03-24 15:18:13,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 963 transitions, 17708 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:13,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:13,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 30 [2021-03-24 15:18:13,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:13,857 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][32], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1816#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, 740#true]) [2021-03-24 15:18:13,857 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:13,857 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:13,857 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:13,857 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:13,924 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][32], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1816#true, 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true]) [2021-03-24 15:18:13,925 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:13,925 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:13,925 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:13,925 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:13,984 INFO L129 PetriNetUnfolder]: 2434/3982 cut-off events. [2021-03-24 15:18:13,984 INFO L130 PetriNetUnfolder]: For 130154/130271 co-relation queries the response was YES. [2021-03-24 15:18:14,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43863 conditions, 3982 events. 2434/3982 cut-off events. For 130154/130271 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 25058 event pairs, 107 based on Foata normal form. 42/4006 useless extension candidates. Maximal degree in co-relation 43602. Up to 1568 conditions per place. [2021-03-24 15:18:14,042 INFO L132 encePairwiseOnDemand]: 24/30 looper letters, 158 selfloop transitions, 579 changer transitions 0/1134 dead transitions. [2021-03-24 15:18:14,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 1134 transitions, 22050 flow [2021-03-24 15:18:14,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 15:18:14,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 15:18:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2021-03-24 15:18:14,043 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8733333333333333 [2021-03-24 15:18:14,043 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 131 transitions. [2021-03-24 15:18:14,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 131 transitions. [2021-03-24 15:18:14,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:14,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 131 transitions. [2021-03-24 15:18:14,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:14,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:14,043 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:14,043 INFO L185 Difference]: Start difference. First operand has 261 places, 963 transitions, 17708 flow. Second operand 5 states and 131 transitions. [2021-03-24 15:18:14,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 1134 transitions, 22050 flow [2021-03-24 15:18:14,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 1134 transitions, 20860 flow, removed 380 selfloop flow, removed 6 redundant places. [2021-03-24 15:18:14,574 INFO L241 Difference]: Finished difference. Result has 262 places, 1117 transitions, 21406 flow [2021-03-24 15:18:14,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=16798, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=963, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=443, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=21406, PETRI_PLACES=262, PETRI_TRANSITIONS=1117} [2021-03-24 15:18:14,574 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 231 predicate places. [2021-03-24 15:18:14,574 INFO L480 AbstractCegarLoop]: Abstraction has has 262 places, 1117 transitions, 21406 flow [2021-03-24 15:18:14,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:14,575 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:14,575 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:14,789 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:14,789 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:14,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:14,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1938132298, now seen corresponding path program 1 times [2021-03-24 15:18:14,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:14,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658215651] [2021-03-24 15:18:14,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:14,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:14,803 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-24 15:18:14,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:14,809 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-24 15:18:14,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 15:18:14,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 15:18:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:14,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658215651] [2021-03-24 15:18:14,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616617082] [2021-03-24 15:18:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:14,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-24 15:18:14,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:14,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:14,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:14,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:14,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:14,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:14,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:14,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:14,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:14,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:14,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:14,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:14,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:14,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:14,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:14,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:14,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:14,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:14,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:14,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:14,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:14,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:14,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-24 15:18:14,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:14,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 7 [2021-03-24 15:18:14,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608046899] [2021-03-24 15:18:14,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 15:18:14,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:14,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 15:18:14,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-24 15:18:14,891 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 30 [2021-03-24 15:18:14,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 1117 transitions, 21406 flow. Second operand has 9 states, 9 states have (on average 23.11111111111111) internal successors, (208), 9 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:14,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:14,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 30 [2021-03-24 15:18:14,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:15,467 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][32], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true]) [2021-03-24 15:18:15,468 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:15,468 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:15,468 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:15,468 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:15,566 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][32], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), 1031#true, Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 825#true, 313#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), 893#true, Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true]) [2021-03-24 15:18:15,566 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:15,566 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:15,566 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:15,566 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:15,699 INFO L129 PetriNetUnfolder]: 2796/4531 cut-off events. [2021-03-24 15:18:15,699 INFO L130 PetriNetUnfolder]: For 190012/190167 co-relation queries the response was YES. [2021-03-24 15:18:15,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55766 conditions, 4531 events. 2796/4531 cut-off events. For 190012/190167 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 28515 event pairs, 181 based on Foata normal form. 43/4552 useless extension candidates. Maximal degree in co-relation 55425. Up to 1950 conditions per place. [2021-03-24 15:18:15,771 INFO L132 encePairwiseOnDemand]: 24/30 looper letters, 509 selfloop transitions, 321 changer transitions 0/1227 dead transitions. [2021-03-24 15:18:15,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 1227 transitions, 25291 flow [2021-03-24 15:18:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 15:18:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 15:18:15,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 178 transitions. [2021-03-24 15:18:15,772 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8476190476190476 [2021-03-24 15:18:15,772 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 178 transitions. [2021-03-24 15:18:15,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 178 transitions. [2021-03-24 15:18:15,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:15,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 178 transitions. [2021-03-24 15:18:15,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:15,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 30.0) internal successors, (240), 8 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:15,772 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 30.0) internal successors, (240), 8 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:15,772 INFO L185 Difference]: Start difference. First operand has 262 places, 1117 transitions, 21406 flow. Second operand 7 states and 178 transitions. [2021-03-24 15:18:15,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 1227 transitions, 25291 flow [2021-03-24 15:18:16,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 1227 transitions, 24859 flow, removed 216 selfloop flow, removed 0 redundant places. [2021-03-24 15:18:16,602 INFO L241 Difference]: Finished difference. Result has 271 places, 1225 transitions, 24406 flow [2021-03-24 15:18:16,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=21070, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=850, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=24406, PETRI_PLACES=271, PETRI_TRANSITIONS=1225} [2021-03-24 15:18:16,606 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 240 predicate places. [2021-03-24 15:18:16,606 INFO L480 AbstractCegarLoop]: Abstraction has has 271 places, 1225 transitions, 24406 flow [2021-03-24 15:18:16,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 23.11111111111111) internal successors, (208), 9 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:16,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:16,607 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:16,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:16,807 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:16,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:16,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1423443136, now seen corresponding path program 8 times [2021-03-24 15:18:16,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:16,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884583987] [2021-03-24 15:18:16,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:16,969 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-03-24 15:18:16,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:16,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:16,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:16,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:16,975 INFO L142 QuantifierPusher]: treesize reduction 23, result has 20.7 percent of original size [2021-03-24 15:18:16,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-24 15:18:16,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:16,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 15:18:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:16,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884583987] [2021-03-24 15:18:16,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066433257] [2021-03-24 15:18:16,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:17,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:18:17,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:17,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-24 15:18:17,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:17,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:17,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:17,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:17,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:17,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:17,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:17,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:17,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:17,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:17,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:17,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:17,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:17,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:17,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:17,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:17,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:17,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:17,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:17,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:17,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:17,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:17,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:17,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:17,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:17,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:17,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:17,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:17,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:17,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:17,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2021-03-24 15:18:17,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174200645] [2021-03-24 15:18:17,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 15:18:17,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:17,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 15:18:17,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-24 15:18:17,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 30 [2021-03-24 15:18:17,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 1225 transitions, 24406 flow. Second operand has 8 states, 8 states have (on average 23.25) internal successors, (186), 8 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:17,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:17,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 30 [2021-03-24 15:18:17,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:17,959 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][32], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), 2043#(<= i2 i1)]) [2021-03-24 15:18:17,959 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:17,959 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:17,959 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:17,959 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:18,126 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][32], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 233#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 812#(and (= s1 0) (= i1 (+ s1 1)) (= (select x i2) t22) (= t22 t21) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), 313#true, 825#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), 893#true, Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), 2043#(<= i2 i1)]) [2021-03-24 15:18:18,126 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:18,126 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:18,126 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:18,126 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:18,484 INFO L129 PetriNetUnfolder]: 3448/5558 cut-off events. [2021-03-24 15:18:18,484 INFO L130 PetriNetUnfolder]: For 257441/257629 co-relation queries the response was YES. [2021-03-24 15:18:18,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73775 conditions, 5558 events. 3448/5558 cut-off events. For 257441/257629 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 35615 event pairs, 302 based on Foata normal form. 63/5598 useless extension candidates. Maximal degree in co-relation 73424. Up to 2669 conditions per place. [2021-03-24 15:18:18,622 INFO L132 encePairwiseOnDemand]: 24/30 looper letters, 121 selfloop transitions, 755 changer transitions 0/1273 dead transitions. [2021-03-24 15:18:18,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 1273 transitions, 27919 flow [2021-03-24 15:18:18,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 15:18:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 15:18:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 235 transitions. [2021-03-24 15:18:18,625 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8703703703703703 [2021-03-24 15:18:18,625 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 235 transitions. [2021-03-24 15:18:18,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 235 transitions. [2021-03-24 15:18:18,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:18,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 235 transitions. [2021-03-24 15:18:18,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 26.11111111111111) internal successors, (235), 9 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:18,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:18,627 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:18,627 INFO L185 Difference]: Start difference. First operand has 271 places, 1225 transitions, 24406 flow. Second operand 9 states and 235 transitions. [2021-03-24 15:18:18,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 1273 transitions, 27919 flow [2021-03-24 15:18:19,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 1273 transitions, 27521 flow, removed 190 selfloop flow, removed 3 redundant places. [2021-03-24 15:18:19,513 INFO L241 Difference]: Finished difference. Result has 281 places, 1269 transitions, 28567 flow [2021-03-24 15:18:19,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=24048, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=714, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=28567, PETRI_PLACES=281, PETRI_TRANSITIONS=1269} [2021-03-24 15:18:19,515 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 250 predicate places. [2021-03-24 15:18:19,515 INFO L480 AbstractCegarLoop]: Abstraction has has 281 places, 1269 transitions, 28567 flow [2021-03-24 15:18:19,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 23.25) internal successors, (186), 8 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:19,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:19,515 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:19,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-03-24 15:18:19,720 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:19,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:19,720 INFO L82 PathProgramCache]: Analyzing trace with hash -2136966342, now seen corresponding path program 9 times [2021-03-24 15:18:19,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:19,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424082344] [2021-03-24 15:18:19,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:19,746 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-24 15:18:19,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:19,749 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-24 15:18:19,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:19,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 15:18:19,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:19,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424082344] [2021-03-24 15:18:19,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415424066] [2021-03-24 15:18:19,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:19,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:18:19,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:19,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-24 15:18:19,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:19,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:19,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:19,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:18:19,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 15:18:19,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:19,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:19,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:19,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:19,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:19,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:19,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:19,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:19,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:19,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:19,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 15:18:19,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:19,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 15:18:19,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:19,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:19,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:19,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:19,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:19,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:19,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:19,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:18:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:19,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:19,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-24 15:18:19,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546644004] [2021-03-24 15:18:19,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 15:18:19,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:19,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 15:18:19,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-24 15:18:19,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 30 [2021-03-24 15:18:19,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 1269 transitions, 28567 flow. Second operand has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:19,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:19,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 30 [2021-03-24 15:18:19,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:20,877 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][28], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), 1031#true, Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), 2043#(<= i2 i1)]) [2021-03-24 15:18:20,877 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:20,877 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:20,877 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:20,877 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:21,061 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][28], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 825#true, 313#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 122#(<= (+ i1 1) i2), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), 2043#(<= i2 i1)]) [2021-03-24 15:18:21,062 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:21,062 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:21,062 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:21,062 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:21,528 INFO L129 PetriNetUnfolder]: 3694/5939 cut-off events. [2021-03-24 15:18:21,528 INFO L130 PetriNetUnfolder]: For 289673/289801 co-relation queries the response was YES. [2021-03-24 15:18:21,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84352 conditions, 5939 events. 3694/5939 cut-off events. For 289673/289801 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 37996 event pairs, 375 based on Foata normal form. 59/5972 useless extension candidates. Maximal degree in co-relation 83978. Up to 2962 conditions per place. [2021-03-24 15:18:21,635 INFO L132 encePairwiseOnDemand]: 22/30 looper letters, 873 selfloop transitions, 340 changer transitions 0/1404 dead transitions. [2021-03-24 15:18:21,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 1404 transitions, 33353 flow [2021-03-24 15:18:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 15:18:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 15:18:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 226 transitions. [2021-03-24 15:18:21,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.837037037037037 [2021-03-24 15:18:21,636 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 226 transitions. [2021-03-24 15:18:21,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 226 transitions. [2021-03-24 15:18:21,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:21,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 226 transitions. [2021-03-24 15:18:21,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 25.11111111111111) internal successors, (226), 9 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:21,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:21,641 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 30.0) internal successors, (300), 10 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:21,641 INFO L185 Difference]: Start difference. First operand has 281 places, 1269 transitions, 28567 flow. Second operand 9 states and 226 transitions. [2021-03-24 15:18:21,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 1404 transitions, 33353 flow [2021-03-24 15:18:22,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 1404 transitions, 32524 flow, removed 251 selfloop flow, removed 3 redundant places. [2021-03-24 15:18:22,664 INFO L241 Difference]: Finished difference. Result has 290 places, 1307 transitions, 30053 flow [2021-03-24 15:18:22,665 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=27810, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=301, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=928, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=30053, PETRI_PLACES=290, PETRI_TRANSITIONS=1307} [2021-03-24 15:18:22,665 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 259 predicate places. [2021-03-24 15:18:22,665 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 1307 transitions, 30053 flow [2021-03-24 15:18:22,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:22,666 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:22,666 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:22,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:22,880 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:22,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:22,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1335149745, now seen corresponding path program 10 times [2021-03-24 15:18:22,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:22,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328507782] [2021-03-24 15:18:22,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:22,945 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:18:22,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:22,952 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:18:22,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:22,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:22,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:22,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:22,972 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:18:22,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:22,990 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:18:23,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:23,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:23,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,031 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:18:23,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:23,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:23,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328507782] [2021-03-24 15:18:23,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597873364] [2021-03-24 15:18:23,043 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:23,123 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:18:23,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:23,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:18:23,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:23,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:23,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:23,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:23,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:23,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:23,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:23,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:23,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:23,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:23,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:23,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:23,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:23,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,145 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:18:23,145 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:18:23,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,161 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-24 15:18:23,161 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-24 15:18:23,162 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-24 15:18:23,162 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-24 15:18:23,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:23,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:23,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,173 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-24 15:18:23,174 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 15:18:23,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:23,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:23,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:23,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:23,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:23,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,205 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:18:23,205 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:18:23,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:23,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:23,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:23,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:23,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:23,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:23,254 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:18:23,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,256 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:18:23,256 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:18:23,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:18:23,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:23,276 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:18:23,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:23,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,305 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:18:23,305 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:18:23,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:23,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:18:23,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:18:23,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,314 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:18:23,315 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:23,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:18:23,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:23,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:23,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:18:23,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389206063] [2021-03-24 15:18:23,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:18:23,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:23,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:18:23,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:18:23,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:23,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 1307 transitions, 30053 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:23,395 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:23,395 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:23,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:25,267 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][63], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 1684#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), 2043#(<= i2 i1)]) [2021-03-24 15:18:25,267 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:25,267 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:25,268 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:25,268 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:25,519 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][63], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 825#true, 313#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 1684#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), 2043#(<= i2 i1)]) [2021-03-24 15:18:25,519 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:25,519 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:25,519 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:25,519 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:25,674 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][122], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 9#L62true, 521#true, 10#L49true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 23#L81true, Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2043#(<= i2 i1), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), 76#(<= (+ i2 1) i1), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 54#(<= i2 i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 1684#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2)]) [2021-03-24 15:18:25,674 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-24 15:18:25,674 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:25,674 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:25,674 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-24 15:18:26,071 INFO L129 PetriNetUnfolder]: 4065/6458 cut-off events. [2021-03-24 15:18:26,072 INFO L130 PetriNetUnfolder]: For 310750/311109 co-relation queries the response was YES. [2021-03-24 15:18:26,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95044 conditions, 6458 events. 4065/6458 cut-off events. For 310750/311109 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 41380 event pairs, 254 based on Foata normal form. 119/6554 useless extension candidates. Maximal degree in co-relation 94661. Up to 5057 conditions per place. [2021-03-24 15:18:26,209 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1039 selfloop transitions, 426 changer transitions 0/1477 dead transitions. [2021-03-24 15:18:26,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 1477 transitions, 40433 flow [2021-03-24 15:18:26,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 15:18:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 15:18:26,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 643 transitions. [2021-03-24 15:18:26,211 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7938271604938272 [2021-03-24 15:18:26,211 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 643 transitions. [2021-03-24 15:18:26,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 643 transitions. [2021-03-24 15:18:26,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:26,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 643 transitions. [2021-03-24 15:18:26,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 23.814814814814813) internal successors, (643), 27 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:26,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:26,212 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:26,212 INFO L185 Difference]: Start difference. First operand has 290 places, 1307 transitions, 30053 flow. Second operand 27 states and 643 transitions. [2021-03-24 15:18:26,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 1477 transitions, 40433 flow [2021-03-24 15:18:27,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 1477 transitions, 39942 flow, removed 225 selfloop flow, removed 4 redundant places. [2021-03-24 15:18:27,639 INFO L241 Difference]: Finished difference. Result has 322 places, 1426 transitions, 35844 flow [2021-03-24 15:18:27,640 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=29788, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=329, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=957, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=35844, PETRI_PLACES=322, PETRI_TRANSITIONS=1426} [2021-03-24 15:18:27,640 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 291 predicate places. [2021-03-24 15:18:27,640 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 1426 transitions, 35844 flow [2021-03-24 15:18:27,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:27,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:27,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:27,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-03-24 15:18:27,855 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:27,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:27,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1661821233, now seen corresponding path program 1 times [2021-03-24 15:18:27,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:27,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992687886] [2021-03-24 15:18:27,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:27,924 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:18:27,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:27,930 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:18:27,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:27,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:27,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:27,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:27,948 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:18:27,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:27,962 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:18:27,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:27,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:27,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:27,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:27,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:27,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:28,004 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:18:28,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:28,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992687886] [2021-03-24 15:18:28,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874168364] [2021-03-24 15:18:28,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:28,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:18:28,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:28,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:28,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:28,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:28,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:28,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:28,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:28,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:28,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:28,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:28,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:28,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:28,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:28,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:28,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:28,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:28,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:28,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:28,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:28,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:28,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:28,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:28,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:28,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:28,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:28,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:28,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:28,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:28,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:28,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:28,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:28,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,132 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:18:28,132 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:18:28,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:28,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:28,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:28,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:28,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:28,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:28,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:28,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:28,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:28,158 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:18:28,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,160 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:18:28,160 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:18:28,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:28,161 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:18:28,169 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:28,170 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:28,170 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:18:28,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:28,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:28,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,192 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:18:28,192 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:18:28,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:28,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:18:28,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:18:28,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,194 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:18:28,194 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:28,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,196 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:18:28,196 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:18:28,197 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:18:28,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:28,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:28,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:28,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:18:28,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16214438] [2021-03-24 15:18:28,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:18:28,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:28,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:18:28,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:18:28,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:28,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 1426 transitions, 35844 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:28,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:28,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:28,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:30,300 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][62], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2199#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 825#true, 313#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 1684#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:30,300 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:30,300 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:30,300 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:30,300 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:30,624 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][62], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2199#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 825#true, 313#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:30,625 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:30,625 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:30,625 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:30,625 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:30,943 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][126], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2199#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 9#L62true, 521#true, 10#L49true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 23#L81true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2043#(<= i2 i1), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, 76#(<= (+ i2 1) i1), Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 54#(<= i2 i1), Black: 47#true, 102#true, Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1172#true, 1684#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:30,943 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-24 15:18:30,943 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:30,943 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-24 15:18:30,943 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:31,229 INFO L129 PetriNetUnfolder]: 4338/6875 cut-off events. [2021-03-24 15:18:31,229 INFO L130 PetriNetUnfolder]: For 346054/346185 co-relation queries the response was YES. [2021-03-24 15:18:31,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105489 conditions, 6875 events. 4338/6875 cut-off events. For 346054/346185 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 44301 event pairs, 253 based on Foata normal form. 69/6924 useless extension candidates. Maximal degree in co-relation 105014. Up to 5371 conditions per place. [2021-03-24 15:18:31,357 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1114 selfloop transitions, 480 changer transitions 0/1606 dead transitions. [2021-03-24 15:18:31,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 1606 transitions, 46986 flow [2021-03-24 15:18:31,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 15:18:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 15:18:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 638 transitions. [2021-03-24 15:18:31,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7876543209876543 [2021-03-24 15:18:31,358 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 638 transitions. [2021-03-24 15:18:31,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 638 transitions. [2021-03-24 15:18:31,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:31,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 638 transitions. [2021-03-24 15:18:31,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 23.62962962962963) internal successors, (638), 27 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:31,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:31,359 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:31,359 INFO L185 Difference]: Start difference. First operand has 322 places, 1426 transitions, 35844 flow. Second operand 27 states and 638 transitions. [2021-03-24 15:18:31,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 1606 transitions, 46986 flow [2021-03-24 15:18:33,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 1606 transitions, 44588 flow, removed 1179 selfloop flow, removed 6 redundant places. [2021-03-24 15:18:33,174 INFO L241 Difference]: Finished difference. Result has 351 places, 1565 transitions, 40913 flow [2021-03-24 15:18:33,174 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=33566, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=368, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1024, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=40913, PETRI_PLACES=351, PETRI_TRANSITIONS=1565} [2021-03-24 15:18:33,175 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 320 predicate places. [2021-03-24 15:18:33,175 INFO L480 AbstractCegarLoop]: Abstraction has has 351 places, 1565 transitions, 40913 flow [2021-03-24 15:18:33,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:33,175 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:33,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:33,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-03-24 15:18:33,389 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:33,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:33,389 INFO L82 PathProgramCache]: Analyzing trace with hash -812136675, now seen corresponding path program 2 times [2021-03-24 15:18:33,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:33,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484444615] [2021-03-24 15:18:33,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:33,402 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:18:33,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:33,408 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:18:33,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:33,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:33,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,425 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:18:33,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:33,449 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:18:33,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:18:33,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:33,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:33,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:18:33,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:33,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484444615] [2021-03-24 15:18:33,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171046239] [2021-03-24 15:18:33,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:33,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:18:33,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:33,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:18:33,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:33,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:33,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:33,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:33,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:33,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:33,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:33,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:33,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:33,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:33,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:33,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:33,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:33,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:33,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,542 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:18:33,542 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:18:33,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:33,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:33,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:33,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:33,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:33,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:33,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:33,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:33,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:33,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:33,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:18:33,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:33,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:33,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:18:33,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:33,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:33,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:18:33,599 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:18:33,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:33,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:33,601 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:18:33,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:33,611 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:33,611 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:18:33,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:33,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:33,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,631 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-24 15:18:33,632 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:18:33,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:33,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:33,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:33,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,652 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:18:33,652 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:18:33,653 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:18:33,653 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:18:33,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:33,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:33,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,673 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:18:33,674 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:18:33,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:33,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:33,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:33,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,675 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:18:33,676 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:33,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:18:33,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:33,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:33,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:33,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:18:33,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81144186] [2021-03-24 15:18:33,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:18:33,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:33,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:18:33,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:18:33,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:33,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 1565 transitions, 40913 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:33,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:33,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:33,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:35,378 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][61], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2199#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, 740#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:35,380 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:35,380 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:35,380 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:35,380 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:35,825 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][61], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2199#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 825#true, 313#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:35,826 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:35,826 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:35,826 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:35,826 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:36,339 INFO L129 PetriNetUnfolder]: 4389/6954 cut-off events. [2021-03-24 15:18:36,340 INFO L130 PetriNetUnfolder]: For 368760/368986 co-relation queries the response was YES. [2021-03-24 15:18:36,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107832 conditions, 6954 events. 4389/6954 cut-off events. For 368760/368986 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 44991 event pairs, 286 based on Foata normal form. 128/7058 useless extension candidates. Maximal degree in co-relation 107345. Up to 5723 conditions per place. [2021-03-24 15:18:36,648 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1454 selfloop transitions, 161 changer transitions 0/1627 dead transitions. [2021-03-24 15:18:36,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 1627 transitions, 47049 flow [2021-03-24 15:18:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 15:18:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 15:18:36,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 421 transitions. [2021-03-24 15:18:36,649 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7796296296296297 [2021-03-24 15:18:36,649 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 421 transitions. [2021-03-24 15:18:36,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 421 transitions. [2021-03-24 15:18:36,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:36,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 421 transitions. [2021-03-24 15:18:36,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.38888888888889) internal successors, (421), 18 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:36,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:36,650 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:36,651 INFO L185 Difference]: Start difference. First operand has 351 places, 1565 transitions, 40913 flow. Second operand 18 states and 421 transitions. [2021-03-24 15:18:36,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 1627 transitions, 47049 flow [2021-03-24 15:18:38,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 1627 transitions, 43831 flow, removed 1570 selfloop flow, removed 11 redundant places. [2021-03-24 15:18:38,544 INFO L241 Difference]: Finished difference. Result has 361 places, 1626 transitions, 41042 flow [2021-03-24 15:18:38,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=37745, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=41042, PETRI_PLACES=361, PETRI_TRANSITIONS=1626} [2021-03-24 15:18:38,545 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 330 predicate places. [2021-03-24 15:18:38,545 INFO L480 AbstractCegarLoop]: Abstraction has has 361 places, 1626 transitions, 41042 flow [2021-03-24 15:18:38,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:38,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:38,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:38,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-03-24 15:18:38,751 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:38,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:38,752 INFO L82 PathProgramCache]: Analyzing trace with hash 79830581, now seen corresponding path program 3 times [2021-03-24 15:18:38,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:38,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426120201] [2021-03-24 15:18:38,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:38,804 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:18:38,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:38,810 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:18:38,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:38,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:38,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,834 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:18:38,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:38,859 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:18:38,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:18:38,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:38,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:38,902 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:18:38,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:38,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426120201] [2021-03-24 15:18:38,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859125782] [2021-03-24 15:18:38,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 15:18:38,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-24 15:18:38,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:38,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-24 15:18:38,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:38,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:38,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:38,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:38,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:38,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:38,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:38,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:38,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:38,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:38,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:38,981 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-24 15:18:38,981 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-24 15:18:38,982 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-03-24 15:18:38,982 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-03-24 15:18:38,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:39,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:39,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:39,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:39,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:39,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:39,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:39,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:39,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:39,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:39,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:39,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:39,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:39,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:39,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:18:39,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:18:39,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:18:39,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:18:39,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:18:39,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:18:39,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:18:39,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:18:39,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:18:39,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:39,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:18:39,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:39,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:39,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:18:39,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:39,072 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 43 [2021-03-24 15:18:39,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:18:39,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:18:39,073 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:18:39,084 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:18:39,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:39,085 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:34 [2021-03-24 15:18:39,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:18:39,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:18:39,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,109 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size 40 [2021-03-24 15:18:39,110 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.2 percent of original size [2021-03-24 15:18:39,110 INFO L147 QuantifierPusher]: treesize reduction 14, result has 72.5 percent of original size 37 [2021-03-24 15:18:39,110 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.5 percent of original size [2021-03-24 15:18:39,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:18:39,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:18:39,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:18:39,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:18:39,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:18:39,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:18:39,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,138 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-03-24 15:18:39,138 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-24 15:18:39,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:39,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:18:39,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:18:39,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,140 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:18:39,140 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:39,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,141 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:18:39,142 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:39,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:18:39,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:18:39,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:39,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:18:39,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:39,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:39,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:39,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:39,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:39,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:39,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:39,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 15:18:39,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547020585] [2021-03-24 15:18:39,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 15:18:39,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:39,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 15:18:39,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-03-24 15:18:39,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:39,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 1626 transitions, 41042 flow. Second operand has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:39,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:39,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:39,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:40,937 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][62], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2199#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2308#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 825#true, 313#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), 1399#true, Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 1684#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), 2527#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:40,937 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:40,937 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:40,937 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:40,937 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:41,297 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][62], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2199#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 825#true, 313#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 1207#(= s2 s1), 2527#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:41,298 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:41,298 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:41,298 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:41,298 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:41,517 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][126], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2199#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 9#L62true, 521#true, 10#L49true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 23#L81true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2037#(<= i2 (+ i1 1)), 825#true, 313#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2043#(<= i2 i1), Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, 76#(<= (+ i2 1) i1), Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 54#(<= i2 i1), Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 1203#(and (= t12 s1) (= s2 0)), 2527#true, Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:41,517 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-24 15:18:41,517 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-24 15:18:41,517 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:41,517 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:42,141 INFO L129 PetriNetUnfolder]: 4413/6984 cut-off events. [2021-03-24 15:18:42,141 INFO L130 PetriNetUnfolder]: For 361684/361788 co-relation queries the response was YES. [2021-03-24 15:18:42,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106495 conditions, 6984 events. 4413/6984 cut-off events. For 361684/361788 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 45048 event pairs, 271 based on Foata normal form. 63/7024 useless extension candidates. Maximal degree in co-relation 106002. Up to 5748 conditions per place. [2021-03-24 15:18:42,300 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1472 selfloop transitions, 172 changer transitions 0/1656 dead transitions. [2021-03-24 15:18:42,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 1656 transitions, 45712 flow [2021-03-24 15:18:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 15:18:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 15:18:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 422 transitions. [2021-03-24 15:18:42,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7814814814814814 [2021-03-24 15:18:42,301 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 422 transitions. [2021-03-24 15:18:42,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 422 transitions. [2021-03-24 15:18:42,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:42,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 422 transitions. [2021-03-24 15:18:42,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.444444444444443) internal successors, (422), 18 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:42,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:42,303 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:42,303 INFO L185 Difference]: Start difference. First operand has 361 places, 1626 transitions, 41042 flow. Second operand 18 states and 422 transitions. [2021-03-24 15:18:42,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 1656 transitions, 45712 flow [2021-03-24 15:18:44,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 1656 transitions, 43429 flow, removed 1103 selfloop flow, removed 8 redundant places. [2021-03-24 15:18:44,297 INFO L241 Difference]: Finished difference. Result has 372 places, 1654 transitions, 40493 flow [2021-03-24 15:18:44,298 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=39025, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=40493, PETRI_PLACES=372, PETRI_TRANSITIONS=1654} [2021-03-24 15:18:44,298 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 341 predicate places. [2021-03-24 15:18:44,298 INFO L480 AbstractCegarLoop]: Abstraction has has 372 places, 1654 transitions, 40493 flow [2021-03-24 15:18:44,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:44,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:44,299 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:44,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-03-24 15:18:44,512 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:44,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:44,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1703449021, now seen corresponding path program 1 times [2021-03-24 15:18:44,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:44,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67530552] [2021-03-24 15:18:44,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:44,530 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:18:44,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:44,536 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:18:44,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:44,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:44,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,554 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:18:44,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,569 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:18:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:44,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:44,615 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-24 15:18:44,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:44,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67530552] [2021-03-24 15:18:44,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596452527] [2021-03-24 15:18:44,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:44,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:18:44,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:44,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:44,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:44,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:44,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:44,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:44,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:44,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:44,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:44,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,662 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:18:44,662 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:18:44,662 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:18:44,662 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:18:44,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:44,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:44,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,674 INFO L147 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size 17 [2021-03-24 15:18:44,675 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-24 15:18:44,675 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:18:44,675 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:18:44,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:44,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,690 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:18:44,690 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:18:44,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:44,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:44,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:44,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:44,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:44,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:44,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:18:44,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:44,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:44,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:44,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:44,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,729 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:18:44,729 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-24 15:18:44,729 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:18:44,729 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:18:44,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:44,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:44,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:44,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:44,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:44,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:44,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:44,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:44,767 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:18:44,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,769 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:18:44,769 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:18:44,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:44,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:18:44,778 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:44,779 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:44,779 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:18:44,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:44,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:44,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,802 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:18:44,802 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:18:44,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:44,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:18:44,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:18:44,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,804 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:18:44,805 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:44,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,807 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:18:44,807 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:18:44,808 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:18:44,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:44,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:44,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:44,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:18:44,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662991998] [2021-03-24 15:18:44,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:18:44,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:44,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:18:44,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:18:44,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:44,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 1654 transitions, 40493 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:44,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:44,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:44,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:47,054 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][90], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1392#(and (or 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(select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:47,054 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:47,054 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:47,054 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:47,054 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:47,398 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][90], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not 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t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 1207#(= s2 s1), 2527#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:47,398 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:47,398 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:47,398 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:47,398 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:48,227 INFO L129 PetriNetUnfolder]: 4538/7233 cut-off events. [2021-03-24 15:18:48,227 INFO L130 PetriNetUnfolder]: For 382469/382509 co-relation queries the response was YES. [2021-03-24 15:18:48,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109615 conditions, 7233 events. 4538/7233 cut-off events. For 382469/382509 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 47085 event pairs, 302 based on Foata normal form. 23/7229 useless extension candidates. Maximal degree in co-relation 109124. Up to 5610 conditions per place. [2021-03-24 15:18:48,374 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1242 selfloop transitions, 501 changer transitions 0/1755 dead transitions. [2021-03-24 15:18:48,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 1755 transitions, 48919 flow [2021-03-24 15:18:48,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 15:18:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 15:18:48,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 638 transitions. [2021-03-24 15:18:48,375 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7876543209876543 [2021-03-24 15:18:48,375 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 638 transitions. [2021-03-24 15:18:48,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 638 transitions. [2021-03-24 15:18:48,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:48,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 638 transitions. [2021-03-24 15:18:48,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 23.62962962962963) internal successors, (638), 27 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:48,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:48,376 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:48,377 INFO L185 Difference]: Start difference. First operand has 372 places, 1654 transitions, 40493 flow. Second operand 27 states and 638 transitions. [2021-03-24 15:18:48,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 1755 transitions, 48919 flow [2021-03-24 15:18:50,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 1755 transitions, 48231 flow, removed 287 selfloop flow, removed 11 redundant places. [2021-03-24 15:18:50,282 INFO L241 Difference]: Finished difference. Result has 392 places, 1728 transitions, 44678 flow [2021-03-24 15:18:50,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=39805, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1654, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=443, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=44678, PETRI_PLACES=392, PETRI_TRANSITIONS=1728} [2021-03-24 15:18:50,283 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 361 predicate places. [2021-03-24 15:18:50,283 INFO L480 AbstractCegarLoop]: Abstraction has has 392 places, 1728 transitions, 44678 flow [2021-03-24 15:18:50,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:50,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:50,283 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:50,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:50,484 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:50,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:50,484 INFO L82 PathProgramCache]: Analyzing trace with hash -2094124451, now seen corresponding path program 2 times [2021-03-24 15:18:50,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:50,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862597385] [2021-03-24 15:18:50,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:50,497 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:18:50,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:50,503 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:18:50,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:50,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:50,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,520 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:18:50,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:50,543 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:18:50,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:18:50,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:18:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:50,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:18:50,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:50,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862597385] [2021-03-24 15:18:50,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267448301] [2021-03-24 15:18:50,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:50,618 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:18:50,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:50,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:18:50,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:50,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:50,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:50,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:50,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:50,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:50,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:50,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:50,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:50,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:18:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:50,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:50,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:50,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:50,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:50,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:50,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:50,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:50,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:50,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:50,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:50,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:50,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:50,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:50,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:50,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:50,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:18:50,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:50,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:50,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:18:50,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:50,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:18:50,695 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:18:50,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:50,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:50,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:18:50,706 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:50,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:50,707 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:18:50,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:50,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:50,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,728 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-24 15:18:50,728 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:18:50,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:50,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:50,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:50,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:18:50,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,749 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:18:50,749 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:18:50,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:50,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:50,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,770 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:18:50,770 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:18:50,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:50,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:50,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,772 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:18:50,773 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:50,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:18:50,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:50,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:18:50,824 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:50,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:50,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:18:50,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101075466] [2021-03-24 15:18:50,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:18:50,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:50,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:18:50,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:18:50,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:50,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 1728 transitions, 44678 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:50,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:50,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:50,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:52,658 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 825#true, 313#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 1207#(= s2 s1), 2527#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:52,659 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:52,659 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:52,659 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:52,659 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:53,210 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 313#true, Black: 2037#(<= i2 (+ i1 1)), 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 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(<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= 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t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), 2527#true, Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), 2043#(<= i2 i1), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:53,210 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:53,210 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:53,210 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:53,210 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:53,828 INFO L129 PetriNetUnfolder]: 4575/7237 cut-off events. [2021-03-24 15:18:53,828 INFO L130 PetriNetUnfolder]: For 416134/416360 co-relation queries the response was YES. [2021-03-24 15:18:53,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113560 conditions, 7237 events. 4575/7237 cut-off events. For 416134/416360 co-relation queries the response was YES. Maximal size of possible extension queue 576. Compared 46706 event pairs, 322 based on Foata normal form. 128/7339 useless extension candidates. Maximal degree in co-relation 113125. Up to 5953 conditions per place. [2021-03-24 15:18:54,265 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1572 selfloop transitions, 215 changer transitions 0/1799 dead transitions. [2021-03-24 15:18:54,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 1799 transitions, 51410 flow [2021-03-24 15:18:54,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-24 15:18:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-24 15:18:54,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 485 transitions. [2021-03-24 15:18:54,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7698412698412699 [2021-03-24 15:18:54,266 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 485 transitions. [2021-03-24 15:18:54,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 485 transitions. [2021-03-24 15:18:54,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:18:54,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 485 transitions. [2021-03-24 15:18:54,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 23.095238095238095) internal successors, (485), 21 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:54,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 30.0) internal successors, (660), 22 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:54,267 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 30.0) internal successors, (660), 22 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:54,267 INFO L185 Difference]: Start difference. First operand has 392 places, 1728 transitions, 44678 flow. Second operand 21 states and 485 transitions. [2021-03-24 15:18:54,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 1799 transitions, 51410 flow [2021-03-24 15:18:56,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 1799 transitions, 48726 flow, removed 1101 selfloop flow, removed 19 redundant places. [2021-03-24 15:18:56,219 INFO L241 Difference]: Finished difference. Result has 398 places, 1799 transitions, 45757 flow [2021-03-24 15:18:56,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=42014, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1728, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=45757, PETRI_PLACES=398, PETRI_TRANSITIONS=1799} [2021-03-24 15:18:56,221 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 367 predicate places. [2021-03-24 15:18:56,221 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 1799 transitions, 45757 flow [2021-03-24 15:18:56,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:56,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:18:56,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:18:56,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-03-24 15:18:56,435 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:18:56,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:18:56,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1951663039, now seen corresponding path program 4 times [2021-03-24 15:18:56,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:18:56,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254748966] [2021-03-24 15:18:56,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:18:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:18:56,459 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:18:56,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:56,465 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:18:56,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:18:56,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:56,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,482 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:18:56,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:56,506 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:18:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:18:56,521 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:18:56,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:56,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:18:56,549 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:18:56,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:56,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254748966] [2021-03-24 15:18:56,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106435079] [2021-03-24 15:18:56,563 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:18:56,586 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:18:56,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:18:56,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:18:56,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:18:56,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:56,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:56,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:56,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:56,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:56,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:56,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:56,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:18:56,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,593 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:18:56,594 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:18:56,594 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:18:56,594 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:18:56,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:56,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:56,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:18:56,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:18:56,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:18:56,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:56,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:56,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:18:56,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:56,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:56,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:56,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:56,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:56,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:18:56,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:18:56,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:56,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:56,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:18:56,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:56,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:18:56,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:18:56,666 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:18:56,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:56,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:56,667 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:18:56,677 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:56,678 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:18:56,678 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:18:56,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:56,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:56,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:18:56,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:56,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:56,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:18:56,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,720 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:18:56,720 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:18:56,720 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:18:56,721 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:18:56,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:56,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:18:56,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,743 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:18:56,743 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:18:56,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:56,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:18:56,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:18:56,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,745 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:18:56,746 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:18:56,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,747 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:18:56,747 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:18:56,748 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:18:56,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:18:56,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:18:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:18:56,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:18:56,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:18:56,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250805381] [2021-03-24 15:18:56,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:18:56,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:18:56,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:18:56,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:18:56,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:18:56,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 1799 transitions, 45757 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:18:56,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:18:56,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:18:56,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:18:58,753 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2308#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1100#(and (= s1 (+ s2 (select x i1))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or 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s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 1207#(= s2 s1), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), 2043#(<= i2 i1), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:58,753 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:18:58,753 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:18:58,753 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:18:58,753 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:18:59,235 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), 29#L23true, Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ 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2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= 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i2)) s2) (= (select x 1) s1)), 2741#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:18:59,236 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:18:59,236 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:18:59,236 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:18:59,236 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:18:59,874 INFO L129 PetriNetUnfolder]: 4592/7281 cut-off events. [2021-03-24 15:18:59,874 INFO L130 PetriNetUnfolder]: For 429114/429333 co-relation queries the response was YES. [2021-03-24 15:18:59,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113524 conditions, 7281 events. 4592/7281 cut-off events. For 429114/429333 co-relation queries the response was YES. Maximal size of possible extension queue 571. Compared 47370 event pairs, 304 based on Foata normal form. 142/7396 useless extension candidates. Maximal degree in co-relation 113102. Up to 5986 conditions per place. [2021-03-24 15:19:00,020 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1606 selfloop transitions, 210 changer transitions 0/1828 dead transitions. [2021-03-24 15:19:00,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 1828 transitions, 50741 flow [2021-03-24 15:19:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-24 15:19:00,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-24 15:19:00,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 469 transitions. [2021-03-24 15:19:00,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7816666666666666 [2021-03-24 15:19:00,021 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 469 transitions. [2021-03-24 15:19:00,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 469 transitions. [2021-03-24 15:19:00,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:19:00,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 469 transitions. [2021-03-24 15:19:00,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.45) internal successors, (469), 20 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:00,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:00,023 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:00,023 INFO L185 Difference]: Start difference. First operand has 398 places, 1799 transitions, 45757 flow. Second operand 20 states and 469 transitions. [2021-03-24 15:19:00,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 1828 transitions, 50741 flow [2021-03-24 15:19:02,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 1828 transitions, 48560 flow, removed 1023 selfloop flow, removed 9 redundant places. [2021-03-24 15:19:02,227 INFO L241 Difference]: Finished difference. Result has 411 places, 1828 transitions, 45473 flow [2021-03-24 15:19:02,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=43584, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1799, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=45473, PETRI_PLACES=411, PETRI_TRANSITIONS=1828} [2021-03-24 15:19:02,228 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 380 predicate places. [2021-03-24 15:19:02,228 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 1828 transitions, 45473 flow [2021-03-24 15:19:02,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:02,228 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:19:02,228 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:19:02,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-24 15:19:02,443 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:19:02,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:19:02,443 INFO L82 PathProgramCache]: Analyzing trace with hash 784476585, now seen corresponding path program 5 times [2021-03-24 15:19:02,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:19:02,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421790082] [2021-03-24 15:19:02,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:19:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:19:02,460 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:19:02,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,466 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:19:02,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:19:02,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:02,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,483 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:19:02,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:02,506 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:19:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:19:02,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:02,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:02,544 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:19:02,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:02,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421790082] [2021-03-24 15:19:02,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568003130] [2021-03-24 15:19:02,557 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:02,579 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:19:02,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:19:02,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:19:02,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:19:02,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:02,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,592 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:19:02,593 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:19:02,593 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:19:02,593 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:19:02,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:02,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:02,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,606 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:19:02,606 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:19:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:02,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:02,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,619 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-24 15:19:02,619 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-24 15:19:02,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:02,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:02,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:02,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:19:02,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:19:02,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:19:02,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:19:02,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:02,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:02,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:02,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 15:19:02,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:02,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:02,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 15:19:02,673 INFO L354 Elim1Store]: treesize reduction 21, result has 57.1 percent of original size [2021-03-24 15:19:02,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 28 treesize of output 48 [2021-03-24 15:19:02,673 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-24 15:19:02,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:02,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:02,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:19:02,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:02,685 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:19:02,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:31 [2021-03-24 15:19:02,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:02,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:02,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:02,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:02,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:02,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:02,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:19:02,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,728 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:19:02,729 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:19:02,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:02,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:02,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,750 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:19:02,750 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:19:02,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:02,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:02,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:02,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,752 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:19:02,753 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:02,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:19:02,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:02,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:02,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:19:02,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:19:02,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338470941] [2021-03-24 15:19:02,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:19:02,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:19:02,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:19:02,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:19:02,807 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:19:02,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 1828 transitions, 45473 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:02,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:19:02,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:19:02,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:19:04,685 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][80], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 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(+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), 2043#(<= i2 i1), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:19:04,686 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:19:04,686 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:19:04,686 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:19:04,686 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:19:05,284 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][80], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not 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i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 1207#(= s2 s1), 2527#true, Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:19:05,285 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:19:05,285 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:19:05,285 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:19:05,285 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:19:05,913 INFO L129 PetriNetUnfolder]: 4631/7437 cut-off events. [2021-03-24 15:19:05,914 INFO L130 PetriNetUnfolder]: For 433896/433936 co-relation queries the response was YES. [2021-03-24 15:19:06,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114603 conditions, 7437 events. 4631/7437 cut-off events. For 433896/433936 co-relation queries the response was YES. Maximal size of possible extension queue 560. Compared 49269 event pairs, 291 based on Foata normal form. 23/7436 useless extension candidates. Maximal degree in co-relation 114288. Up to 6031 conditions per place. [2021-03-24 15:19:06,079 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1638 selfloop transitions, 211 changer transitions 0/1861 dead transitions. [2021-03-24 15:19:06,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 1861 transitions, 50951 flow [2021-03-24 15:19:06,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 15:19:06,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 15:19:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 420 transitions. [2021-03-24 15:19:06,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2021-03-24 15:19:06,081 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 420 transitions. [2021-03-24 15:19:06,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 420 transitions. [2021-03-24 15:19:06,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:19:06,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 420 transitions. [2021-03-24 15:19:06,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.333333333333332) internal successors, (420), 18 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:06,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:06,082 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:06,082 INFO L185 Difference]: Start difference. First operand has 411 places, 1828 transitions, 45473 flow. Second operand 18 states and 420 transitions. [2021-03-24 15:19:06,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 1861 transitions, 50951 flow [2021-03-24 15:19:08,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 1861 transitions, 50042 flow, removed 373 selfloop flow, removed 13 redundant places. [2021-03-24 15:19:08,394 INFO L241 Difference]: Finished difference. Result has 417 places, 1861 transitions, 46840 flow [2021-03-24 15:19:08,395 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=44564, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1828, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1634, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=46840, PETRI_PLACES=417, PETRI_TRANSITIONS=1861} [2021-03-24 15:19:08,395 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 386 predicate places. [2021-03-24 15:19:08,395 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 1861 transitions, 46840 flow [2021-03-24 15:19:08,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:08,395 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:19:08,395 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:19:08,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-24 15:19:08,610 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:19:08,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:19:08,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1220881149, now seen corresponding path program 3 times [2021-03-24 15:19:08,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:19:08,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409854877] [2021-03-24 15:19:08,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:19:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:19:08,625 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:19:08,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:08,631 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:19:08,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:19:08,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:08,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,650 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:19:08,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:08,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:08,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:08,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:08,706 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:19:08,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:08,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409854877] [2021-03-24 15:19:08,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747874795] [2021-03-24 15:19:08,718 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:08,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:19:08,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:19:08,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:19:08,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:19:08,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:08,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:08,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:08,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:08,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:08,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:08,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:08,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:08,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:08,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:08,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:08,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:08,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,764 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-24 15:19:08,764 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-24 15:19:08,765 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:19:08,765 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:19:08,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:08,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:08,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:08,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:08,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:08,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:08,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:08,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:08,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:08,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:08,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,781 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:19:08,781 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:19:08,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:08,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:08,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:08,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:08,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:08,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:08,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:08,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:08,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:08,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:08,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:08,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:08,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:08,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:08,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:08,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:08,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:08,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:08,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:19:08,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:08,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:08,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:19:08,915 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:19:08,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:08,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:08,918 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:19:08,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:08,930 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:19:08,930 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:19:08,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:08,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:08,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:19:08,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,953 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:19:08,954 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:19:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:08,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:08,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,978 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:19:08,979 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:19:08,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:08,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:08,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:08,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,980 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:19:08,981 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:08,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:19:08,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:08,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:08,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:09,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:09,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:19:09,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:19:09,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018915660] [2021-03-24 15:19:09,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:19:09,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:19:09,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:19:09,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:19:09,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:19:09,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 1861 transitions, 46840 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:09,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:19:09,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:19:09,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:19:11,107 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), 1031#true, Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 54#(<= i2 i1), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 313#true, Black: 2037#(<= i2 (+ i1 1)), 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) 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(not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:19:11,108 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:19:11,108 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:19:11,108 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:19:11,108 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:19:11,524 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), 1031#true, Black: 457#(or 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i1))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 1207#(= s2 s1), 2527#true, Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:19:11,524 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:19:11,524 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:19:11,524 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:19:11,524 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:19:12,349 INFO L129 PetriNetUnfolder]: 4696/7533 cut-off events. [2021-03-24 15:19:12,349 INFO L130 PetriNetUnfolder]: For 462608/462704 co-relation queries the response was YES. [2021-03-24 15:19:12,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118027 conditions, 7533 events. 4696/7533 cut-off events. For 462608/462704 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 50021 event pairs, 295 based on Foata normal form. 57/7568 useless extension candidates. Maximal degree in co-relation 117709. Up to 6084 conditions per place. [2021-03-24 15:19:12,505 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1620 selfloop transitions, 286 changer transitions 0/1918 dead transitions. [2021-03-24 15:19:12,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 1918 transitions, 53419 flow [2021-03-24 15:19:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-24 15:19:12,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-24 15:19:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 553 transitions. [2021-03-24 15:19:12,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7680555555555556 [2021-03-24 15:19:12,506 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 553 transitions. [2021-03-24 15:19:12,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 553 transitions. [2021-03-24 15:19:12,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:19:12,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 553 transitions. [2021-03-24 15:19:12,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 23.041666666666668) internal successors, (553), 24 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:12,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 30.0) internal successors, (750), 25 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:12,507 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 30.0) internal successors, (750), 25 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:12,507 INFO L185 Difference]: Start difference. First operand has 417 places, 1861 transitions, 46840 flow. Second operand 24 states and 553 transitions. [2021-03-24 15:19:12,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 1918 transitions, 53419 flow [2021-03-24 15:19:14,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 1918 transitions, 52239 flow, removed 551 selfloop flow, removed 9 redundant places. [2021-03-24 15:19:14,794 INFO L241 Difference]: Finished difference. Result has 435 places, 1915 transitions, 49092 flow [2021-03-24 15:19:14,795 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=45660, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=244, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=49092, PETRI_PLACES=435, PETRI_TRANSITIONS=1915} [2021-03-24 15:19:14,795 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 404 predicate places. [2021-03-24 15:19:14,795 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 1915 transitions, 49092 flow [2021-03-24 15:19:14,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:14,795 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:19:14,795 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:19:15,007 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:15,008 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:19:15,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:19:15,008 INFO L82 PathProgramCache]: Analyzing trace with hash -593116847, now seen corresponding path program 4 times [2021-03-24 15:19:15,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:19:15,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159443071] [2021-03-24 15:19:15,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:19:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:19:15,068 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:19:15,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:15,073 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:19:15,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:19:15,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:15,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,090 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:19:15,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:15,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:15,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:15,140 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:19:15,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:15,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159443071] [2021-03-24 15:19:15,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199932189] [2021-03-24 15:19:15,152 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:15,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:19:15,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:19:15,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:19:15,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:19:15,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:15,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:15,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:15,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:15,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:15,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:15,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:15,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:15,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:19:15,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:15,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:15,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:15,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:15,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:15,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:15,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:15,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:15,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:15,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:15,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:15,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:15,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:15,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:15,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:15,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:15,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:15,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,242 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-24 15:19:15,242 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 15:19:15,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:15,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:15,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:15,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:19:15,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,257 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:19:15,258 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:19:15,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:15,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:15,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:15,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:15,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:15,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:15,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:15,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:15,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:15,286 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:19:15,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,287 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:19:15,287 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:19:15,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:15,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:19:15,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:15,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:19:15,298 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:19:15,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:15,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:15,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,321 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:19:15,321 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:19:15,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:15,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:19:15,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:19:15,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,323 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:19:15,323 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:15,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,325 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:19:15,325 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:19:15,326 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:19:15,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:15,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:15,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:19:15,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:19:15,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941595635] [2021-03-24 15:19:15,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:19:15,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:19:15,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:19:15,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:19:15,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:19:15,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 1915 transitions, 49092 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:15,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:19:15,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:19:15,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:19:15,851 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-03-24 15:19:17,658 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][85], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1392#(and 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(+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:19:17,658 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:19:17,658 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:19:17,658 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:19:17,658 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:19:18,115 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][85], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 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s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), 2043#(<= i2 i1), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:19:18,116 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:19:18,116 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:19:18,116 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:19:18,116 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:19:19,086 INFO L129 PetriNetUnfolder]: 4798/7692 cut-off events. [2021-03-24 15:19:19,087 INFO L130 PetriNetUnfolder]: For 492282/492378 co-relation queries the response was YES. [2021-03-24 15:19:19,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122484 conditions, 7692 events. 4798/7692 cut-off events. For 492282/492378 co-relation queries the response was YES. Maximal size of possible extension queue 608. Compared 51133 event pairs, 268 based on Foata normal form. 57/7722 useless extension candidates. Maximal degree in co-relation 122161. Up to 6168 conditions per place. [2021-03-24 15:19:19,248 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1634 selfloop transitions, 359 changer transitions 0/2005 dead transitions. [2021-03-24 15:19:19,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 2005 transitions, 57500 flow [2021-03-24 15:19:19,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 15:19:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 15:19:19,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 517 transitions. [2021-03-24 15:19:19,249 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7833333333333333 [2021-03-24 15:19:19,249 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 517 transitions. [2021-03-24 15:19:19,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 517 transitions. [2021-03-24 15:19:19,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:19:19,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 517 transitions. [2021-03-24 15:19:19,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.5) internal successors, (517), 22 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:19,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:19,250 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:19,250 INFO L185 Difference]: Start difference. First operand has 435 places, 1915 transitions, 49092 flow. Second operand 22 states and 517 transitions. [2021-03-24 15:19:19,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 2005 transitions, 57500 flow [2021-03-24 15:19:21,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 2005 transitions, 55795 flow, removed 747 selfloop flow, removed 17 redundant places. [2021-03-24 15:19:21,770 INFO L241 Difference]: Finished difference. Result has 447 places, 1999 transitions, 52621 flow [2021-03-24 15:19:21,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=47407, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1915, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=287, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=52621, PETRI_PLACES=447, PETRI_TRANSITIONS=1999} [2021-03-24 15:19:21,771 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 416 predicate places. [2021-03-24 15:19:21,771 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 1999 transitions, 52621 flow [2021-03-24 15:19:21,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:21,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:19:21,771 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:19:21,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:21,986 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:19:21,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:19:21,986 INFO L82 PathProgramCache]: Analyzing trace with hash 527619859, now seen corresponding path program 5 times [2021-03-24 15:19:21,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:19:21,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58524996] [2021-03-24 15:19:21,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:19:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:19:21,997 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:19:21,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:22,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:19:22,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:19:22,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:22,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,019 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:19:22,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:22,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:22,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:22,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,073 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:19:22,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:22,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58524996] [2021-03-24 15:19:22,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656117214] [2021-03-24 15:19:22,086 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:22,109 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:19:22,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:19:22,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:19:22,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:19:22,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:22,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:22,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:22,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:22,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:22,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:22,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:22,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:22,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:22,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:22,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:22,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:22,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:22,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,130 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:19:22,130 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:19:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:22,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:22,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:22,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:22,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:22,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:22,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:22,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:22,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:22,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:22,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:22,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:22,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:22,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:22,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,190 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:19:22,190 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-24 15:19:22,190 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:19:22,191 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:19:22,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:22,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:22,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:22,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:22,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:22,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:22,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:22,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:22,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:22,216 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:19:22,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,218 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:19:22,218 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:19:22,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:22,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:19:22,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:22,227 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:19:22,227 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:19:22,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:22,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:22,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,249 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:19:22,249 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:19:22,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:22,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:19:22,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:19:22,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,251 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:19:22,251 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:22,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,252 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:19:22,253 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:19:22,253 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:19:22,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:22,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:22,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:22,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:19:22,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:19:22,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711484490] [2021-03-24 15:19:22,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:19:22,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:19:22,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:19:22,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:19:22,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:19:22,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 1999 transitions, 52621 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:22,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:19:22,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:19:22,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:19:24,747 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), 1538#true, Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1324#true, Black: 44#(= s2 s1), Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) 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194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), 2043#(<= i2 i1), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:19:24,747 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:19:24,748 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:19:24,748 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:19:24,748 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:19:25,273 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), 1538#true, Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2308#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 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s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3216#(and (or (and (= 0 (mod s2 2)) 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L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:19:25,273 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:19:25,273 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:19:25,273 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:19:26,385 INFO L129 PetriNetUnfolder]: 4856/7788 cut-off events. [2021-03-24 15:19:26,386 INFO L130 PetriNetUnfolder]: For 513477/513573 co-relation queries the response was YES. [2021-03-24 15:19:26,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124883 conditions, 7788 events. 4856/7788 cut-off events. For 513477/513573 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 51907 event pairs, 331 based on Foata normal form. 57/7820 useless extension candidates. Maximal degree in co-relation 124551. Up to 6252 conditions per place. [2021-03-24 15:19:26,618 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1720 selfloop transitions, 336 changer transitions 0/2068 dead transitions. [2021-03-24 15:19:26,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 2068 transitions, 60097 flow [2021-03-24 15:19:26,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 15:19:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 15:19:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 516 transitions. [2021-03-24 15:19:26,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7818181818181819 [2021-03-24 15:19:26,636 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 516 transitions. [2021-03-24 15:19:26,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 516 transitions. [2021-03-24 15:19:26,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:19:26,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 516 transitions. [2021-03-24 15:19:26,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.454545454545453) internal successors, (516), 22 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:26,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:26,638 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:26,638 INFO L185 Difference]: Start difference. First operand has 447 places, 1999 transitions, 52621 flow. Second operand 22 states and 516 transitions. [2021-03-24 15:19:26,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 2068 transitions, 60097 flow [2021-03-24 15:19:29,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 2068 transitions, 58304 flow, removed 829 selfloop flow, removed 11 redundant places. [2021-03-24 15:19:29,733 INFO L241 Difference]: Finished difference. Result has 463 places, 2061 transitions, 54788 flow [2021-03-24 15:19:29,735 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=50834, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1999, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=285, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=54788, PETRI_PLACES=463, PETRI_TRANSITIONS=2061} [2021-03-24 15:19:29,735 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 432 predicate places. [2021-03-24 15:19:29,735 INFO L480 AbstractCegarLoop]: Abstraction has has 463 places, 2061 transitions, 54788 flow [2021-03-24 15:19:29,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:29,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:19:29,735 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:19:29,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-03-24 15:19:29,949 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:19:29,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:19:29,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1163419439, now seen corresponding path program 6 times [2021-03-24 15:19:29,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:19:29,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571031978] [2021-03-24 15:19:29,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:19:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:19:29,988 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:19:29,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:29,995 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:19:29,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:19:30,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:30,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,014 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:19:30,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:30,039 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:19:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:19:30,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:30,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:30,079 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:19:30,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:30,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571031978] [2021-03-24 15:19:30,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353831565] [2021-03-24 15:19:30,092 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:30,118 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:19:30,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:19:30,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:19:30,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:19:30,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:19:30,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:19:30,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:19:30,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:19:30,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:19:30,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:19:30,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:19:30,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:19:30,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:30,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:30,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:30,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:30,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:30,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,149 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:19:30,149 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:19:30,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:30,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:30,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:30,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:30,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:30,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:30,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:30,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:30,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:19:30,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:19:30,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:19:30,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:19:30,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:30,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:30,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:19:30,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:30,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:30,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:19:30,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:30,229 INFO L354 Elim1Store]: treesize reduction 10, result has 78.7 percent of original size [2021-03-24 15:19:30,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 49 [2021-03-24 15:19:30,229 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-03-24 15:19:30,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:19:30,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:19:30,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:19:30,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 15:19:30,245 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:19:30,246 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:41 [2021-03-24 15:19:30,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 15:19:30,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 15:19:30,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,273 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size 45 [2021-03-24 15:19:30,273 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size [2021-03-24 15:19:30,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:30,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:19:30,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:30,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,276 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-24 15:19:30,276 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 15:19:30,277 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,278 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-24 15:19:30,278 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:19:30,278 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,279 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-24 15:19:30,279 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:19:30,279 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,280 INFO L147 QuantifierPusher]: treesize reduction 28, result has 71.4 percent of original size 70 [2021-03-24 15:19:30,281 INFO L142 QuantifierPusher]: treesize reduction 28, result has 71.4 percent of original size [2021-03-24 15:19:30,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-24 15:19:30,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:30,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:30,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:30,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:30,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:19:30,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-24 15:19:30,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142031350] [2021-03-24 15:19:30,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-24 15:19:30,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:19:30,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-24 15:19:30,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-03-24 15:19:30,374 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:19:30,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 2061 transitions, 54788 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:30,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:19:30,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:19:30,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:19:32,569 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), 1031#true, Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3317#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3365#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3367#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3276#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 1324#true, Black: 3325#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3278#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), 3375#true, Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 1207#(= s2 s1), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), 2043#(<= i2 i1), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:19:32,569 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:19:32,569 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:19:32,569 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:19:32,570 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:19:33,490 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), 2308#true, Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), 1031#true, Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 29#L23true, Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3317#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3365#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3367#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3276#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 1324#true, Black: 3325#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3278#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), 3375#true, Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 54#(<= i2 i1), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), 313#true, 825#true, Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 47#true, 102#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), 893#true, Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1172#true, 1684#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 961#true, Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1203#(and (= t12 s1) (= s2 0)), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 1207#(= s2 s1), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 740#true, 228#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), 2043#(<= i2 i1), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11))]) [2021-03-24 15:19:33,490 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:19:33,490 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:19:33,490 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:19:33,490 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:19:34,556 INFO L129 PetriNetUnfolder]: 4910/7882 cut-off events. [2021-03-24 15:19:34,556 INFO L130 PetriNetUnfolder]: For 525907/526117 co-relation queries the response was YES. [2021-03-24 15:19:34,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127012 conditions, 7882 events. 4910/7882 cut-off events. For 525907/526117 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 52797 event pairs, 343 based on Foata normal form. 97/7950 useless extension candidates. Maximal degree in co-relation 126617. Up to 6420 conditions per place. [2021-03-24 15:19:34,732 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1895 selfloop transitions, 236 changer transitions 0/2143 dead transitions. [2021-03-24 15:19:34,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 2143 transitions, 62525 flow [2021-03-24 15:19:34,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-24 15:19:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-24 15:19:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 551 transitions. [2021-03-24 15:19:34,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7652777777777777 [2021-03-24 15:19:34,733 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 551 transitions. [2021-03-24 15:19:34,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 551 transitions. [2021-03-24 15:19:34,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:19:34,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 551 transitions. [2021-03-24 15:19:34,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 22.958333333333332) internal successors, (551), 24 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:34,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 30.0) internal successors, (750), 25 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:34,735 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 30.0) internal successors, (750), 25 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:34,735 INFO L185 Difference]: Start difference. First operand has 463 places, 2061 transitions, 54788 flow. Second operand 24 states and 551 transitions. [2021-03-24 15:19:34,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 2143 transitions, 62525 flow [2021-03-24 15:19:37,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 2143 transitions, 60902 flow, removed 707 selfloop flow, removed 13 redundant places. [2021-03-24 15:19:37,691 INFO L241 Difference]: Finished difference. Result has 479 places, 2143 transitions, 57370 flow [2021-03-24 15:19:37,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=53185, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2061, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1862, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=57370, PETRI_PLACES=479, PETRI_TRANSITIONS=2143} [2021-03-24 15:19:37,694 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 448 predicate places. [2021-03-24 15:19:37,694 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 2143 transitions, 57370 flow [2021-03-24 15:19:37,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:37,694 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:19:37,694 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:19:37,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:37,908 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:19:37,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:19:37,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1656380303, now seen corresponding path program 6 times [2021-03-24 15:19:37,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:19:37,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82036468] [2021-03-24 15:19:37,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:19:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:19:37,948 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:19:37,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:37,954 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:19:37,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:19:37,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:37,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:37,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:37,971 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:19:37,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:37,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:37,997 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:19:37,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:19:38,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:38,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:38,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:19:38,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:38,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82036468] [2021-03-24 15:19:38,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891365387] [2021-03-24 15:19:38,053 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:38,076 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:19:38,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:19:38,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:19:38,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:19:38,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:38,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:38,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:38,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:38,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:38,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:38,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:38,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:38,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:38,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:38,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:38,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:38,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,097 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-24 15:19:38,097 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-24 15:19:38,098 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:19:38,098 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:19:38,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:38,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:38,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:38,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:38,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:38,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:38,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:38,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:38,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:38,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:38,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,113 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:19:38,113 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:19:38,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:38,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:38,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:38,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:38,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:38,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:38,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:38,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:38,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:38,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:38,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:38,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:19:38,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:38,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:38,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:19:38,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:38,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:38,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:19:38,154 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:19:38,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:38,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:38,156 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:19:38,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:38,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:19:38,167 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:19:38,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:38,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:38,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,188 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-24 15:19:38,189 INFO L142 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size [2021-03-24 15:19:38,189 INFO L147 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size 32 [2021-03-24 15:19:38,189 INFO L142 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size [2021-03-24 15:19:38,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:19:38,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:19:38,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:19:38,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:38,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:38,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:38,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,234 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:19:38,235 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:19:38,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:38,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:19:38,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:19:38,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,236 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:19:38,237 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:38,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,238 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:19:38,239 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:19:38,239 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:19:38,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:19:38,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:38,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:19:38,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:19:38,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015758934] [2021-03-24 15:19:38,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:19:38,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:19:38,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:19:38,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:19:38,293 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:19:38,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 2143 transitions, 57370 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:38,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:19:38,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:19:38,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:19:40,588 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][89], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 2288#(and (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (= (select x 1) t12) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) s1) (= s2 0)), Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2308#true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3317#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3365#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3367#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3276#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 1324#true, Black: 3325#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3278#(or (not (= i2 i1)) (and (< s1 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(select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), 2043#(<= i2 i1)]) [2021-03-24 15:19:40,588 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:19:40,588 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:19:40,588 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:19:40,588 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:19:41,276 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][89], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, 29#L23true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 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1) s1)), 1324#true, Black: 3276#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 3325#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3278#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3375#true, Black: 275#(= s2 s1), Black: 787#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 296#(and (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 743#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 825#true, 313#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), 1399#true, Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), 893#true, Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3380#(and (<= t12 s1) (<= s1 t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), 2043#(<= i2 i1)]) [2021-03-24 15:19:41,276 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:19:41,276 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:19:41,276 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:19:41,276 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:19:42,345 INFO L129 PetriNetUnfolder]: 4971/7996 cut-off events. [2021-03-24 15:19:42,346 INFO L130 PetriNetUnfolder]: For 538174/538216 co-relation queries the response was YES. [2021-03-24 15:19:42,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129688 conditions, 7996 events. 4971/7996 cut-off events. For 538174/538216 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 53751 event pairs, 314 based on Foata normal form. 23/7990 useless extension candidates. Maximal degree in co-relation 129293. Up to 6467 conditions per place. [2021-03-24 15:19:42,523 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1927 selfloop transitions, 258 changer transitions 0/2197 dead transitions. [2021-03-24 15:19:42,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 2197 transitions, 64734 flow [2021-03-24 15:19:42,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-24 15:19:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-24 15:19:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 470 transitions. [2021-03-24 15:19:42,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7833333333333333 [2021-03-24 15:19:42,524 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 470 transitions. [2021-03-24 15:19:42,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 470 transitions. [2021-03-24 15:19:42,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:19:42,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 470 transitions. [2021-03-24 15:19:42,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.5) internal successors, (470), 20 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:42,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:42,525 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:42,525 INFO L185 Difference]: Start difference. First operand has 479 places, 2143 transitions, 57370 flow. Second operand 20 states and 470 transitions. [2021-03-24 15:19:42,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 2197 transitions, 64734 flow [2021-03-24 15:19:45,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 2197 transitions, 62642 flow, removed 957 selfloop flow, removed 10 redundant places. [2021-03-24 15:19:45,396 INFO L241 Difference]: Finished difference. Result has 493 places, 2197 transitions, 58933 flow [2021-03-24 15:19:45,398 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=55280, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1913, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=58933, PETRI_PLACES=493, PETRI_TRANSITIONS=2197} [2021-03-24 15:19:45,398 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 462 predicate places. [2021-03-24 15:19:45,398 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 2197 transitions, 58933 flow [2021-03-24 15:19:45,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:45,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:19:45,398 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:19:45,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:45,612 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:19:45,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:19:45,613 INFO L82 PathProgramCache]: Analyzing trace with hash -391660393, now seen corresponding path program 2 times [2021-03-24 15:19:45,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:19:45,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835937738] [2021-03-24 15:19:45,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:19:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:19:45,625 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:19:45,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:45,631 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:19:45,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:19:45,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:45,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,649 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:19:45,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,665 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:19:45,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,688 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-24 15:19:45,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:45,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:45,728 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-24 15:19:45,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:45,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835937738] [2021-03-24 15:19:45,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81488503] [2021-03-24 15:19:45,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:45,766 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:19:45,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:19:45,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:19:45,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:19:45,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:45,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:45,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:45,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:45,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:45,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:45,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:45,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:45,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:19:45,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:45,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:45,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:45,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:45,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:45,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,804 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:19:45,804 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:19:45,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:45,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:45,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:45,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:45,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:19:45,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:19:45,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:19:45,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:45,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:45,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:45,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:45,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:45,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:45,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:45,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:19:45,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:45,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:45,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:19:45,857 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:19:45,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:45,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:45,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:19:45,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:45,869 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:19:45,869 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:19:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:45,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:45,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,891 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-03-24 15:19:45,891 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-03-24 15:19:45,891 INFO L147 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size 29 [2021-03-24 15:19:45,892 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-03-24 15:19:45,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:45,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:45,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,914 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:19:45,914 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:19:45,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:45,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:19:45,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:19:45,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,916 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:19:45,917 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:45,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:19:45,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:45,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:19:45,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:45,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:19:45,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:19:45,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375926583] [2021-03-24 15:19:45,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:19:45,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:19:45,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:19:45,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:19:45,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:19:45,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 2197 transitions, 58933 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:45,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:19:45,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:19:45,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:19:48,691 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][86], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) 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i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:19:48,691 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:19:48,691 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:19:48,691 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:19:48,691 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:19:49,433 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][86], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 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t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:19:49,433 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:19:49,433 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:19:49,433 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:19:49,433 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:19:50,566 INFO L129 PetriNetUnfolder]: 5021/8088 cut-off events. [2021-03-24 15:19:50,566 INFO L130 PetriNetUnfolder]: For 566671/566755 co-relation queries the response was YES. [2021-03-24 15:19:50,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132542 conditions, 8088 events. 5021/8088 cut-off events. For 566671/566755 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 54625 event pairs, 325 based on Foata normal form. 51/8111 useless extension candidates. Maximal degree in co-relation 132124. Up to 6327 conditions per place. [2021-03-24 15:19:50,746 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1746 selfloop transitions, 502 changer transitions 0/2260 dead transitions. [2021-03-24 15:19:50,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 2260 transitions, 66880 flow [2021-03-24 15:19:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-24 15:19:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-24 15:19:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 658 transitions. [2021-03-24 15:19:50,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7833333333333333 [2021-03-24 15:19:50,747 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 658 transitions. [2021-03-24 15:19:50,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 658 transitions. [2021-03-24 15:19:50,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:19:50,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 658 transitions. [2021-03-24 15:19:50,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 23.5) internal successors, (658), 28 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:50,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 30.0) internal successors, (870), 29 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:50,749 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 30.0) internal successors, (870), 29 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:50,749 INFO L185 Difference]: Start difference. First operand has 493 places, 2197 transitions, 58933 flow. Second operand 28 states and 658 transitions. [2021-03-24 15:19:50,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 2260 transitions, 66880 flow [2021-03-24 15:19:53,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 2260 transitions, 64962 flow, removed 876 selfloop flow, removed 12 redundant places. [2021-03-24 15:19:53,655 INFO L241 Difference]: Finished difference. Result has 512 places, 2253 transitions, 61327 flow [2021-03-24 15:19:53,656 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=57015, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=461, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=61327, PETRI_PLACES=512, PETRI_TRANSITIONS=2253} [2021-03-24 15:19:53,657 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 481 predicate places. [2021-03-24 15:19:53,657 INFO L480 AbstractCegarLoop]: Abstraction has has 512 places, 2253 transitions, 61327 flow [2021-03-24 15:19:53,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:53,657 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:19:53,657 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:19:53,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-03-24 15:19:53,871 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:19:53,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:19:53,871 INFO L82 PathProgramCache]: Analyzing trace with hash -131526661, now seen corresponding path program 7 times [2021-03-24 15:19:53,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:19:53,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684390219] [2021-03-24 15:19:53,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:19:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:19:53,882 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:19:53,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:53,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:19:53,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:19:53,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:53,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:53,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:53,904 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:19:53,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:53,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:53,928 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:19:53,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:19:53,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:53,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:53,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:19:53,968 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:19:53,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:53,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684390219] [2021-03-24 15:19:53,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636128172] [2021-03-24 15:19:53,981 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:19:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:19:54,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:19:54,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:19:54,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:54,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:54,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:54,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:54,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:54,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:54,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:54,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:19:54,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:19:54,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:54,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:54,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:54,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:19:54,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:19:54,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:19:54,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:54,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:54,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:54,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:54,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:54,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:54,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:19:54,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:54,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:54,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:54,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:19:54,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:19:54,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:54,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:54,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:19:54,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:54,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:54,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:19:54,078 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:19:54,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:54,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:19:54,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:19:54,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:54,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:19:54,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:19:54,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:54,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:54,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 15:19:54,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,112 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:19:54,112 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:19:54,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:19:54,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:19:54,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:19:54,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:19:54,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,157 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:19:54,157 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:19:54,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:54,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:19:54,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:19:54,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,159 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:19:54,159 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:19:54,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:19:54,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:19:54,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:19:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:19:54,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:19:54,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:19:54,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387875399] [2021-03-24 15:19:54,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:19:54,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:19:54,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:19:54,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:19:54,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:19:54,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 2253 transitions, 61327 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:54,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:19:54,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:19:54,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:19:56,461 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][90], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), 228#true, 740#true, Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2231#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2308#true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3317#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3365#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3367#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) 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t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:19:56,461 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:19:56,461 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:19:56,461 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:19:56,461 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:19:57,154 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 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(select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), 893#true, Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not 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i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:19:57,154 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:19:57,154 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:19:57,154 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:19:57,154 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:19:58,349 INFO L129 PetriNetUnfolder]: 5056/8131 cut-off events. [2021-03-24 15:19:58,350 INFO L130 PetriNetUnfolder]: For 587042/587082 co-relation queries the response was YES. [2021-03-24 15:19:58,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134775 conditions, 8131 events. 5056/8131 cut-off events. For 587042/587082 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 54708 event pairs, 316 based on Foata normal form. 23/8124 useless extension candidates. Maximal degree in co-relation 134352. Up to 6585 conditions per place. [2021-03-24 15:19:58,533 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2041 selfloop transitions, 231 changer transitions 0/2284 dead transitions. [2021-03-24 15:19:58,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 2284 transitions, 67761 flow [2021-03-24 15:19:58,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 15:19:58,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 15:19:58,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 419 transitions. [2021-03-24 15:19:58,534 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7759259259259259 [2021-03-24 15:19:58,534 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 419 transitions. [2021-03-24 15:19:58,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 419 transitions. [2021-03-24 15:19:58,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:19:58,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 419 transitions. [2021-03-24 15:19:58,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.27777777777778) internal successors, (419), 18 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:58,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:58,535 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:19:58,535 INFO L185 Difference]: Start difference. First operand has 512 places, 2253 transitions, 61327 flow. Second operand 18 states and 419 transitions. [2021-03-24 15:19:58,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 2284 transitions, 67761 flow [2021-03-24 15:20:01,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 2284 transitions, 64815 flow, removed 1147 selfloop flow, removed 24 redundant places. [2021-03-24 15:20:01,770 INFO L241 Difference]: Finished difference. Result has 507 places, 2284 transitions, 60817 flow [2021-03-24 15:20:01,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=58385, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2035, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=60817, PETRI_PLACES=507, PETRI_TRANSITIONS=2284} [2021-03-24 15:20:01,771 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 476 predicate places. [2021-03-24 15:20:01,771 INFO L480 AbstractCegarLoop]: Abstraction has has 507 places, 2284 transitions, 60817 flow [2021-03-24 15:20:01,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:01,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:20:01,771 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:20:01,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:01,972 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:20:01,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:20:01,973 INFO L82 PathProgramCache]: Analyzing trace with hash -253652713, now seen corresponding path program 3 times [2021-03-24 15:20:01,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:20:01,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867575929] [2021-03-24 15:20:01,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:20:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:20:02,034 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:20:02,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:02,041 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:20:02,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:20:02,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:02,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,060 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:20:02,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,076 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:20:02,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:02,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:02,123 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-24 15:20:02,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:02,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867575929] [2021-03-24 15:20:02,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593632776] [2021-03-24 15:20:02,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:02,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:20:02,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:20:02,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:20:02,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:20:02,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:02,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:02,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:02,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:02,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:02,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:02,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:02,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:02,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:02,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:02,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:02,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:02,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,179 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-24 15:20:02,180 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-24 15:20:02,180 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:20:02,180 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:20:02,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:02,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:02,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:02,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:02,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:02,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:02,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:20:02,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:20:02,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:20:02,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:02,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:02,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:02,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:02,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,232 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:20:02,232 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-24 15:20:02,232 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:20:02,232 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:20:02,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:02,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:02,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:02,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:02,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:02,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:02,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:02,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:02,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:02,257 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:20:02,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,258 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:20:02,259 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:20:02,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:20:02,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,268 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:20:02,268 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:20:02,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:02,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,302 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:20:02,302 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:20:02,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:02,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:20:02,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:20:02,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,304 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:20:02,304 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:02,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:20:02,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:02,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:02,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:20:02,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:20:02,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201116083] [2021-03-24 15:20:02,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:20:02,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:20:02,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:20:02,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:20:02,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:20:02,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 2284 transitions, 60817 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:02,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:20:02,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:20:02,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:20:05,183 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), 1031#true, Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< 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(and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3755#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3797#true, 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), 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s1)), 2308#true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3317#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 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808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 313#true, 825#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3380#(and (<= t12 s1) (<= s1 t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:05,184 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:20:05,184 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:20:05,184 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:20:05,184 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:20:05,801 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, 29#L23true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1172#true, 1684#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 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(<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:05,801 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:20:05,802 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:20:05,802 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:20:05,802 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:20:07,221 INFO L129 PetriNetUnfolder]: 5178/8336 cut-off events. [2021-03-24 15:20:07,221 INFO L130 PetriNetUnfolder]: For 621881/621965 co-relation queries the response was YES. [2021-03-24 15:20:07,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138165 conditions, 8336 events. 5178/8336 cut-off events. For 621881/621965 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 56625 event pairs, 345 based on Foata normal form. 51/8354 useless extension candidates. Maximal degree in co-relation 137740. Up to 6439 conditions per place. [2021-03-24 15:20:07,418 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1765 selfloop transitions, 603 changer transitions 0/2380 dead transitions. [2021-03-24 15:20:07,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 2380 transitions, 70487 flow [2021-03-24 15:20:07,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 15:20:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 15:20:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 643 transitions. [2021-03-24 15:20:07,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7938271604938272 [2021-03-24 15:20:07,420 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 643 transitions. [2021-03-24 15:20:07,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 643 transitions. [2021-03-24 15:20:07,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:20:07,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 643 transitions. [2021-03-24 15:20:07,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 23.814814814814813) internal successors, (643), 27 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:07,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:07,421 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:07,421 INFO L185 Difference]: Start difference. First operand has 507 places, 2284 transitions, 60817 flow. Second operand 27 states and 643 transitions. [2021-03-24 15:20:07,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 2380 transitions, 70487 flow [2021-03-24 15:20:10,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 2380 transitions, 69210 flow, removed 521 selfloop flow, removed 13 redundant places. [2021-03-24 15:20:10,645 INFO L241 Difference]: Finished difference. Result has 527 places, 2360 transitions, 65096 flow [2021-03-24 15:20:10,646 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=59540, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=540, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=65096, PETRI_PLACES=527, PETRI_TRANSITIONS=2360} [2021-03-24 15:20:10,646 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 496 predicate places. [2021-03-24 15:20:10,646 INFO L480 AbstractCegarLoop]: Abstraction has has 527 places, 2360 transitions, 65096 flow [2021-03-24 15:20:10,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:10,647 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:20:10,647 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:20:10,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-03-24 15:20:10,861 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:20:10,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:20:10,861 INFO L82 PathProgramCache]: Analyzing trace with hash -493322475, now seen corresponding path program 7 times [2021-03-24 15:20:10,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:20:10,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813819244] [2021-03-24 15:20:10,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:20:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:20:10,872 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:20:10,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:10,877 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:20:10,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:20:10,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:10,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,894 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:20:10,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:10,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:10,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:10,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:10,951 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:20:10,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:10,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813819244] [2021-03-24 15:20:10,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985390063] [2021-03-24 15:20:10,964 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:20:10,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:20:10,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:20:10,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:10,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:10,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:10,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:10,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:10,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:10,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:10,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:10,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:20:10,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:10,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:10,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:10,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:11,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:11,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:11,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,022 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:20:11,022 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:20:11,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:11,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:11,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:11,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:11,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:11,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:11,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:11,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:11,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:11,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:11,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:11,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:11,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:11,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:11,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:11,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:11,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:11,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:11,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:11,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:11,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:11,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:11,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:11,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:11,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:11,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:11,078 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:20:11,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:20:11,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:20:11,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:20:11,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:20:11,089 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:20:11,089 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:20:11,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:20:11,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:20:11,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,109 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:20:11,109 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:20:11,110 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:20:11,110 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:20:11,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:11,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:11,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,131 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:20:11,132 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:20:11,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:11,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:11,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:20:11,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,133 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:20:11,134 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:11,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:20:11,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:11,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:11,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:11,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:20:11,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:20:11,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459347515] [2021-03-24 15:20:11,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:20:11,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:20:11,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:20:11,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:20:11,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:20:11,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 2360 transitions, 65096 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:11,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:20:11,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:20:11,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:20:13,870 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 3747#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3755#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 3797#true, Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) 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(not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:13,870 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:20:13,870 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:20:13,870 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:20:13,870 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:20:14,531 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, 29#L23true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) 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(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:14,531 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:20:14,531 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:20:14,531 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:20:14,531 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:20:15,863 INFO L129 PetriNetUnfolder]: 5203/8378 cut-off events. [2021-03-24 15:20:15,864 INFO L130 PetriNetUnfolder]: For 651005/651094 co-relation queries the response was YES. [2021-03-24 15:20:15,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141752 conditions, 8378 events. 5203/8378 cut-off events. For 651005/651094 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 56908 event pairs, 286 based on Foata normal form. 51/8400 useless extension candidates. Maximal degree in co-relation 141318. Up to 6752 conditions per place. [2021-03-24 15:20:16,070 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2073 selfloop transitions, 308 changer transitions 0/2393 dead transitions. [2021-03-24 15:20:16,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 2393 transitions, 71837 flow [2021-03-24 15:20:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-24 15:20:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-24 15:20:16,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 532 transitions. [2021-03-24 15:20:16,071 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7710144927536232 [2021-03-24 15:20:16,071 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 532 transitions. [2021-03-24 15:20:16,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 532 transitions. [2021-03-24 15:20:16,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:20:16,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 532 transitions. [2021-03-24 15:20:16,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 23.130434782608695) internal successors, (532), 23 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:16,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 30.0) internal successors, (720), 24 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:16,072 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 30.0) internal successors, (720), 24 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:16,073 INFO L185 Difference]: Start difference. First operand has 527 places, 2360 transitions, 65096 flow. Second operand 23 states and 532 transitions. [2021-03-24 15:20:16,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 2393 transitions, 71837 flow [2021-03-24 15:20:19,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 2393 transitions, 69523 flow, removed 976 selfloop flow, removed 17 redundant places. [2021-03-24 15:20:19,948 INFO L241 Difference]: Finished difference. Result has 536 places, 2393 transitions, 65589 flow [2021-03-24 15:20:19,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=62784, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=285, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2065, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=65589, PETRI_PLACES=536, PETRI_TRANSITIONS=2393} [2021-03-24 15:20:19,950 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 505 predicate places. [2021-03-24 15:20:19,950 INFO L480 AbstractCegarLoop]: Abstraction has has 536 places, 2393 transitions, 65589 flow [2021-03-24 15:20:19,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:19,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:20:19,950 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:20:20,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:20,165 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:20:20,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:20:20,165 INFO L82 PathProgramCache]: Analyzing trace with hash -598091671, now seen corresponding path program 11 times [2021-03-24 15:20:20,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:20:20,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002212212] [2021-03-24 15:20:20,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:20:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:20:20,179 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:20:20,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:20,185 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:20:20,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:20:20,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:20,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,202 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:20:20,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:20,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:20:20,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:20,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:20,258 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:20:20,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:20,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:20,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002212212] [2021-03-24 15:20:20,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799559361] [2021-03-24 15:20:20,272 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:20,295 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:20:20,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:20:20,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:20:20,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:20:20,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:20,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:20,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:20,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:20,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:20,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:20,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:20,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:20,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:20,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:20,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,390 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:20:20,390 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:20:20,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:20,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:20,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:20,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:20,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:20,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:20,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:20,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,436 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 15:20:20,436 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-24 15:20:20,436 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:20:20,437 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:20:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:20:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:20:20,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,453 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-24 15:20:20,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-24 15:20:20,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:20,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:20,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:20,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:20,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:20,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:20,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:20,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:20,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:20,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:20,484 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:20:20,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,485 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:20:20,485 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:20:20,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:20,486 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:20:20,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:20,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:20:20,496 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:20:20,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:20,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:20,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,521 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:20:20,521 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:20:20,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:20,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:20:20,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:20:20,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,523 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:20:20,524 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:20,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:20:20,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:20,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:20,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:20:20,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:20:20,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938772728] [2021-03-24 15:20:20,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:20:20,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:20:20,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:20:20,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:20:20,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:20:20,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 2393 transitions, 65589 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:20,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:20:20,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:20:20,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:20:23,057 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][86], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 2109#true, 2189#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3747#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3755#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3797#true, 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2294#(and (= (select x 1) s2) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (= (select x 1) s1)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2308#true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3317#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 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808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 825#true, 313#true, Black: 3904#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3843#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 3835#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 3900#(and (or (<= s1 (+ s2 t12)) (not (= i2 i1))) (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (<= (+ s2 t12) s1))), Black: 3869#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3839#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 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cut-off event [2021-03-24 15:20:23,058 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:20:23,058 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:20:23,058 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:20:23,742 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][86], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, 29#L23true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and 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s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:23,742 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:20:23,742 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:20:23,742 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:20:23,742 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:20:25,157 INFO L129 PetriNetUnfolder]: 5262/8403 cut-off events. [2021-03-24 15:20:25,157 INFO L130 PetriNetUnfolder]: For 671390/671591 co-relation queries the response was YES. [2021-03-24 15:20:25,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143730 conditions, 8403 events. 5262/8403 cut-off events. For 671390/671591 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 56507 event pairs, 333 based on Foata normal form. 128/8500 useless extension candidates. Maximal degree in co-relation 143291. Up to 6851 conditions per place. [2021-03-24 15:20:25,403 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2155 selfloop transitions, 293 changer transitions 0/2460 dead transitions. [2021-03-24 15:20:25,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 2460 transitions, 74345 flow [2021-03-24 15:20:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 15:20:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 15:20:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 516 transitions. [2021-03-24 15:20:25,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7818181818181819 [2021-03-24 15:20:25,406 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 516 transitions. [2021-03-24 15:20:25,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 516 transitions. [2021-03-24 15:20:25,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:20:25,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 516 transitions. [2021-03-24 15:20:25,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.454545454545453) internal successors, (516), 22 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:25,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:25,407 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:25,407 INFO L185 Difference]: Start difference. First operand has 536 places, 2393 transitions, 65589 flow. Second operand 22 states and 516 transitions. [2021-03-24 15:20:25,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 2460 transitions, 74345 flow [2021-03-24 15:20:29,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 2460 transitions, 72988 flow, removed 590 selfloop flow, removed 13 redundant places. [2021-03-24 15:20:29,836 INFO L241 Difference]: Finished difference. Result has 546 places, 2456 transitions, 68572 flow [2021-03-24 15:20:29,838 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=64239, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=68572, PETRI_PLACES=546, PETRI_TRANSITIONS=2456} [2021-03-24 15:20:29,838 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 515 predicate places. [2021-03-24 15:20:29,838 INFO L480 AbstractCegarLoop]: Abstraction has has 546 places, 2456 transitions, 68572 flow [2021-03-24 15:20:29,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:29,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:20:29,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:20:30,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:30,052 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:20:30,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:20:30,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1431862117, now seen corresponding path program 8 times [2021-03-24 15:20:30,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:20:30,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865460337] [2021-03-24 15:20:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:20:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:20:30,068 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:20:30,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:30,073 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:20:30,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:20:30,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:30,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,090 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:20:30,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,105 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:20:30,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:30,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:30,150 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:20:30,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:30,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865460337] [2021-03-24 15:20:30,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15407557] [2021-03-24 15:20:30,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:30,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:20:30,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:20:30,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:20:30,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:20:30,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:30,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:30,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:30,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:30,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:30,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:30,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:30,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:30,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:20:30,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:30,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:30,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:30,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,205 INFO L147 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size 17 [2021-03-24 15:20:30,205 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-24 15:20:30,206 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:20:30,206 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:20:30,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:30,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:20:30,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:30,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:30,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:30,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:30,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:20:30,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:20:30,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:20:30,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:30,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:30,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:30,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:30,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:20:30,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,258 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:20:30,258 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:20:30,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:30,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:30,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:30,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:30,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:30,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:30,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:30,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:30,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:30,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:30,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:30,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:30,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:30,285 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:20:30,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,286 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:20:30,287 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:20:30,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:30,287 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:20:30,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:30,296 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:20:30,296 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:20:30,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:30,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:30,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,318 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:20:30,318 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:20:30,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:30,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:20:30,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:20:30,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,319 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:20:30,320 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:30,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,321 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:20:30,321 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:20:30,322 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:20:30,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:30,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:20:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:30,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:20:30,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:20:30,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219416727] [2021-03-24 15:20:30,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:20:30,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:20:30,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:20:30,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:20:30,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:20:30,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 2456 transitions, 68572 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:30,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:20:30,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:20:30,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:20:33,183 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, 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1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3747#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3755#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3797#true, 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 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t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2308#true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not (= i2 i1)) (= t11 s2))), Black: 2750#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2798#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2751#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2847#true, Black: 1282#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3317#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3365#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1257#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3367#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1324#true, Black: 3276#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 3325#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3278#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3375#true, 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s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:33,184 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:20:33,184 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:20:33,184 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:20:33,184 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:20:34,098 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], 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(or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 2353#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3380#(and (<= t12 s1) (<= s1 t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:34,098 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:20:34,098 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:20:34,098 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:20:34,099 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:20:35,620 INFO L129 PetriNetUnfolder]: 5330/8621 cut-off events. [2021-03-24 15:20:35,620 INFO L130 PetriNetUnfolder]: For 696334/696423 co-relation queries the response was YES. [2021-03-24 15:20:35,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146823 conditions, 8621 events. 5330/8621 cut-off events. For 696334/696423 co-relation queries the response was YES. Maximal size of possible extension queue 678. Compared 59307 event pairs, 264 based on Foata normal form. 51/8642 useless extension candidates. Maximal degree in co-relation 146381. Up to 6637 conditions per place. [2021-03-24 15:20:35,841 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 1862 selfloop transitions, 653 changer transitions 0/2527 dead transitions. [2021-03-24 15:20:35,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 2527 transitions, 77175 flow [2021-03-24 15:20:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-24 15:20:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-24 15:20:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 689 transitions. [2021-03-24 15:20:35,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7919540229885057 [2021-03-24 15:20:35,843 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 689 transitions. [2021-03-24 15:20:35,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 689 transitions. [2021-03-24 15:20:35,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:20:35,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 689 transitions. [2021-03-24 15:20:35,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 23.75862068965517) internal successors, (689), 29 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:35,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 30.0) internal successors, (900), 30 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:35,844 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 30.0) internal successors, (900), 30 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:35,844 INFO L185 Difference]: Start difference. First operand has 546 places, 2456 transitions, 68572 flow. Second operand 29 states and 689 transitions. [2021-03-24 15:20:35,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 2527 transitions, 77175 flow [2021-03-24 15:20:39,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 2527 transitions, 74846 flow, removed 1013 selfloop flow, removed 15 redundant places. [2021-03-24 15:20:39,916 INFO L241 Difference]: Finished difference. Result has 563 places, 2512 transitions, 70663 flow [2021-03-24 15:20:39,917 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=66252, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=609, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1836, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=70663, PETRI_PLACES=563, PETRI_TRANSITIONS=2512} [2021-03-24 15:20:39,917 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 532 predicate places. [2021-03-24 15:20:39,917 INFO L480 AbstractCegarLoop]: Abstraction has has 563 places, 2512 transitions, 70663 flow [2021-03-24 15:20:39,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:39,918 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:20:39,918 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:20:40,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:40,132 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:20:40,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:20:40,133 INFO L82 PathProgramCache]: Analyzing trace with hash 394072375, now seen corresponding path program 8 times [2021-03-24 15:20:40,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:20:40,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573048449] [2021-03-24 15:20:40,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:20:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:20:40,143 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:20:40,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:40,149 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:20:40,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:20:40,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:40,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,166 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:20:40,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:40,191 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:20:40,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:20:40,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:40,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:40,231 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:20:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:40,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573048449] [2021-03-24 15:20:40,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828071411] [2021-03-24 15:20:40,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:40,268 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:20:40,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:20:40,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:20:40,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:20:40,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:40,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:40,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:40,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:40,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:40,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:40,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:40,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:40,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,275 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:20:40,275 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:20:40,276 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:20:40,276 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:20:40,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:40,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:40,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:40,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:40,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,304 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:20:40,304 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:20:40,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:40,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:40,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:40,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:40,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:40,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:40,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:40,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:40,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:40,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:40,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:40,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:20:40,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:40,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:40,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:20:40,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:40,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:40,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:20:40,345 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:20:40,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:20:40,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:20:40,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:20:40,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:20:40,358 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:20:40,358 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:20:40,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:20:40,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:20:40,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,379 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-24 15:20:40,379 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:20:40,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:20:40,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:20:40,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:20:40,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,400 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-03-24 15:20:40,401 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-03-24 15:20:40,401 INFO L147 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size 29 [2021-03-24 15:20:40,401 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-03-24 15:20:40,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:40,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:20:40,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,424 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:20:40,424 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:20:40,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:40,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:20:40,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:20:40,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,426 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:20:40,426 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:40,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:20:40,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:40,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:20:40,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:20:40,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163882413] [2021-03-24 15:20:40,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:20:40,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:20:40,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:20:40,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:20:40,479 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:20:40,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 2512 transitions, 70663 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:40,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:20:40,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:20:40,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:20:43,175 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][85], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 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(or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:43,176 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:20:43,176 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:20:43,176 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:20:43,176 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:20:43,918 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][85], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 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(+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3380#(and (<= t12 s1) (<= s1 t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:43,919 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:20:43,919 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:20:43,919 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:20:43,919 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:20:45,482 INFO L129 PetriNetUnfolder]: 5341/8592 cut-off events. [2021-03-24 15:20:45,482 INFO L130 PetriNetUnfolder]: For 705783/705867 co-relation queries the response was YES. [2021-03-24 15:20:45,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148110 conditions, 8592 events. 5341/8592 cut-off events. For 705783/705867 co-relation queries the response was YES. Maximal size of possible extension queue 680. Compared 58488 event pairs, 314 based on Foata normal form. 51/8612 useless extension candidates. Maximal degree in co-relation 147663. Up to 6982 conditions per place. [2021-03-24 15:20:45,715 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2280 selfloop transitions, 238 changer transitions 0/2530 dead transitions. [2021-03-24 15:20:45,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 2530 transitions, 76808 flow [2021-03-24 15:20:45,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-24 15:20:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-24 15:20:45,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 486 transitions. [2021-03-24 15:20:45,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7714285714285715 [2021-03-24 15:20:45,717 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 486 transitions. [2021-03-24 15:20:45,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 486 transitions. [2021-03-24 15:20:45,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:20:45,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 486 transitions. [2021-03-24 15:20:45,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 23.142857142857142) internal successors, (486), 21 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:45,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 30.0) internal successors, (660), 22 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:45,718 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 30.0) internal successors, (660), 22 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:45,718 INFO L185 Difference]: Start difference. First operand has 563 places, 2512 transitions, 70663 flow. Second operand 21 states and 486 transitions. [2021-03-24 15:20:45,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 2530 transitions, 76808 flow [2021-03-24 15:20:49,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 2530 transitions, 73816 flow, removed 1215 selfloop flow, removed 20 redundant places. [2021-03-24 15:20:50,064 INFO L241 Difference]: Finished difference. Result has 566 places, 2530 transitions, 69312 flow [2021-03-24 15:20:50,065 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=67687, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=69312, PETRI_PLACES=566, PETRI_TRANSITIONS=2530} [2021-03-24 15:20:50,066 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 535 predicate places. [2021-03-24 15:20:50,066 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 2530 transitions, 69312 flow [2021-03-24 15:20:50,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:50,066 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:20:50,066 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:20:50,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:50,280 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:20:50,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:20:50,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1086132879, now seen corresponding path program 12 times [2021-03-24 15:20:50,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:20:50,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26804179] [2021-03-24 15:20:50,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:20:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:20:50,293 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:20:50,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:50,298 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:20:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:20:50,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:20:50,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,315 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:20:50,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:50,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:20:50,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:20:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:20:50,370 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:20:50,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:20:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:50,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26804179] [2021-03-24 15:20:50,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235503801] [2021-03-24 15:20:50,384 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:20:50,407 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:20:50,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:20:50,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 37 conjunts are in the unsatisfiable core [2021-03-24 15:20:50,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:20:50,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:50,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:50,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:50,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:50,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:50,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:50,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:50,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:20:50,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:50,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:50,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:50,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:20:50,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:20:50,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,419 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-24 15:20:50,419 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-24 15:20:50,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:50,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:50,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:50,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:50,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:50,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:50,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:50,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:50,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:50,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:20:50,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,436 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-03-24 15:20:50,436 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-24 15:20:50,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:20:50,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:20:50,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:20:50,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,454 INFO L147 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size 50 [2021-03-24 15:20:50,454 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-24 15:20:50,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 15:20:50,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 15:20:50,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 15:20:50,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,476 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.6 percent of original size 50 [2021-03-24 15:20:50,477 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.7 percent of original size [2021-03-24 15:20:50,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:50,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:50,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:20:50,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,499 INFO L147 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size 34 [2021-03-24 15:20:50,499 INFO L142 QuantifierPusher]: treesize reduction 10, result has 77.8 percent of original size [2021-03-24 15:20:50,499 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-03-24 15:20:50,500 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size [2021-03-24 15:20:50,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:20:50,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:20:50,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 15:20:50,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:50,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:20:50,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:50,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:20:50,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:20:50,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:20:50,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 15:20:50,535 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 33 [2021-03-24 15:20:50,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,536 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size 24 [2021-03-24 15:20:50,536 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-24 15:20:50,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:20:50,537 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:20:50,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:20:50,550 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:20:50,550 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:38 [2021-03-24 15:20:50,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:20:50,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:20:50,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,578 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-03-24 15:20:50,578 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.2 percent of original size [2021-03-24 15:20:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:20:50,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:20:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:20:50,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:20:50,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 15:20:50,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87796980] [2021-03-24 15:20:50,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 15:20:50,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:20:50,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 15:20:50,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-03-24 15:20:50,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:20:50,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 2530 transitions, 69312 flow. Second operand has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:50,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:20:50,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:20:50,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:20:53,479 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][89], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 2038#(not (= i2 (+ i1 1))), Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 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(* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:53,483 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:20:53,483 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:20:53,483 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:20:53,483 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:20:54,540 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][89], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 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2349#(and (= (select x 1) s2) (= (select x 1) s1)), 1399#true, Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3380#(and (<= t12 s1) (<= s1 t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 2464#(and (= (select x 1) t12) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:20:54,540 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:20:54,540 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:20:54,540 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:20:54,540 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:20:55,860 INFO L129 PetriNetUnfolder]: 5498/8884 cut-off events. [2021-03-24 15:20:55,860 INFO L130 PetriNetUnfolder]: For 731643/731683 co-relation queries the response was YES. [2021-03-24 15:20:56,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153123 conditions, 8884 events. 5498/8884 cut-off events. For 731643/731683 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 61226 event pairs, 345 based on Foata normal form. 23/8871 useless extension candidates. Maximal degree in co-relation 152672. Up to 7143 conditions per place. [2021-03-24 15:20:56,474 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2340 selfloop transitions, 342 changer transitions 0/2694 dead transitions. [2021-03-24 15:20:56,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 2694 transitions, 82993 flow [2021-03-24 15:20:56,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-24 15:20:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-24 15:20:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 642 transitions. [2021-03-24 15:20:56,486 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7642857142857142 [2021-03-24 15:20:56,486 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 642 transitions. [2021-03-24 15:20:56,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 642 transitions. [2021-03-24 15:20:56,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:20:56,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 642 transitions. [2021-03-24 15:20:56,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 22.928571428571427) internal successors, (642), 28 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:56,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 30.0) internal successors, (870), 29 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:56,504 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 30.0) internal successors, (870), 29 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:20:56,504 INFO L185 Difference]: Start difference. First operand has 566 places, 2530 transitions, 69312 flow. Second operand 28 states and 642 transitions. [2021-03-24 15:20:56,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 2694 transitions, 82993 flow [2021-03-24 15:21:00,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 2694 transitions, 81798 flow, removed 430 selfloop flow, removed 16 redundant places. [2021-03-24 15:21:00,933 INFO L241 Difference]: Finished difference. Result has 586 places, 2688 transitions, 77298 flow [2021-03-24 15:21:00,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=68186, PETRI_DIFFERENCE_MINUEND_PLACES=550, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=77298, PETRI_PLACES=586, PETRI_TRANSITIONS=2688} [2021-03-24 15:21:00,935 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 555 predicate places. [2021-03-24 15:21:00,935 INFO L480 AbstractCegarLoop]: Abstraction has has 586 places, 2688 transitions, 77298 flow [2021-03-24 15:21:00,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:00,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:21:00,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:21:01,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-03-24 15:21:01,137 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:21:01,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:21:01,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1046584905, now seen corresponding path program 9 times [2021-03-24 15:21:01,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:21:01,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745259894] [2021-03-24 15:21:01,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:21:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:21:01,147 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:21:01,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:01,152 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:21:01,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:21:01,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:01,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,169 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:21:01,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:01,194 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:21:01,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:21:01,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:01,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:01,235 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:21:01,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:21:01,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745259894] [2021-03-24 15:21:01,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050550086] [2021-03-24 15:21:01,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:21:01,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-24 15:21:01,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:21:01,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:21:01,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:21:01,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:01,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:01,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:01,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:01,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:01,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:01,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:21:01,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:01,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:01,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:01,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:01,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:01,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,307 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:21:01,307 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:21:01,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:01,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:01,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:01,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:01,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:01,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:01,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:01,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:01,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:01,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:01,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:01,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:21:01,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:01,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:01,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:21:01,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:01,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:01,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:21:01,348 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:21:01,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:21:01,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:21:01,349 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:21:01,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:01,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:21:01,360 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:21:01,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:01,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:01,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,380 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:21:01,381 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:21:01,381 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:21:01,381 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:21:01,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:21:01,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:21:01,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,404 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:21:01,404 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-24 15:21:01,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:01,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:01,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:01,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,427 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:21:01,428 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:21:01,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:01,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:01,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:01,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,429 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:21:01,430 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:01,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:21:01,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:01,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:21:01,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:21:01,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:21:01,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142847005] [2021-03-24 15:21:01,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:21:01,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:21:01,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:21:01,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:21:01,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:21:01,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 2688 transitions, 77298 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:01,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:21:01,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:21:01,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:21:04,382 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 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Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:21:04,382 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:21:04,382 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:21:04,382 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:21:04,382 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:21:05,166 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [Black: 1475#(or (and 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(select x 1) s1)), Black: 4397#(and (<= 2 i1) (< i1 (+ n 1)) (<= i2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1)))) (or (not (= i2 i1)) (= (+ s2 i1) (+ s1 2))) (<= i1 2)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 4351#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 4467#true, Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3380#(and (<= t12 s1) (<= s1 t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:21:05,166 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:21:05,166 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:21:05,166 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:21:05,166 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:21:06,737 INFO L129 PetriNetUnfolder]: 5526/8927 cut-off events. [2021-03-24 15:21:06,737 INFO L130 PetriNetUnfolder]: For 779888/780088 co-relation queries the response was YES. [2021-03-24 15:21:06,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156522 conditions, 8927 events. 5526/8927 cut-off events. For 779888/780088 co-relation queries the response was YES. Maximal size of possible extension queue 705. Compared 61709 event pairs, 353 based on Foata normal form. 110/9003 useless extension candidates. Maximal degree in co-relation 156062. Up to 7220 conditions per place. [2021-03-24 15:21:06,973 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2434 selfloop transitions, 267 changer transitions 0/2713 dead transitions. [2021-03-24 15:21:06,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 2713 transitions, 84526 flow [2021-03-24 15:21:06,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 15:21:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 15:21:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 419 transitions. [2021-03-24 15:21:06,975 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7759259259259259 [2021-03-24 15:21:06,975 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 419 transitions. [2021-03-24 15:21:06,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 419 transitions. [2021-03-24 15:21:06,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:21:06,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 419 transitions. [2021-03-24 15:21:06,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.27777777777778) internal successors, (419), 18 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:06,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:06,976 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:06,976 INFO L185 Difference]: Start difference. First operand has 586 places, 2688 transitions, 77298 flow. Second operand 18 states and 419 transitions. [2021-03-24 15:21:06,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 2713 transitions, 84526 flow [2021-03-24 15:21:12,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 2713 transitions, 81904 flow, removed 1279 selfloop flow, removed 6 redundant places. [2021-03-24 15:21:12,066 INFO L241 Difference]: Finished difference. Result has 599 places, 2713 transitions, 77110 flow [2021-03-24 15:21:12,068 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=74676, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2688, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=252, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=77110, PETRI_PLACES=599, PETRI_TRANSITIONS=2713} [2021-03-24 15:21:12,069 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 568 predicate places. [2021-03-24 15:21:12,069 INFO L480 AbstractCegarLoop]: Abstraction has has 599 places, 2713 transitions, 77110 flow [2021-03-24 15:21:12,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:12,069 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:21:12,069 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:21:12,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-03-24 15:21:12,283 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:21:12,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:21:12,284 INFO L82 PathProgramCache]: Analyzing trace with hash 2093503479, now seen corresponding path program 9 times [2021-03-24 15:21:12,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:21:12,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313807364] [2021-03-24 15:21:12,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:21:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:21:12,293 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:21:12,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,298 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:21:12,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:21:12,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:12,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,315 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:21:12,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:12,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:21:12,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:12,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:12,376 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:21:12,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:21:12,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313807364] [2021-03-24 15:21:12,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250191453] [2021-03-24 15:21:12,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:21:12,413 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:21:12,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:21:12,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:21:12,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:21:12,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:12,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:21:12,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:12,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:12,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:12,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:12,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,437 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:21:12,437 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:21:12,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:12,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:12,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:12,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:12,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:12,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:12,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:12,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:12,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:12,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:12,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:12,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,478 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:21:12,478 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:21:12,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:21:12,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:21:12,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:21:12,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:21:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:21:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:21:12,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:21:12,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:12,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:21:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:21:12,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:12,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:21:12,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:21:12,508 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:21:12,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,509 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:21:12,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:21:12,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:12,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:21:12,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:21:12,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:21:12,521 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-03-24 15:21:12,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:21:12,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:21:12,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:21:12,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:12,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:12,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:12,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,570 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:21:12,570 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:21:12,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:12,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:12,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:12,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,572 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:21:12,572 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:12,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:21:12,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:12,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:21:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:21:12,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:21:12,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:21:12,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799340502] [2021-03-24 15:21:12,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:21:12,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:21:12,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:21:12,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:21:12,627 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:21:12,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 599 places, 2713 transitions, 77110 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:12,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:21:12,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:21:12,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:21:15,366 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][86], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 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2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:21:15,366 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:21:15,366 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:21:15,366 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:21:15,366 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:21:16,418 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][86], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 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Black: 808#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 234#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 825#true, 313#true, Black: 3904#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3843#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 3835#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 3900#(and (or (<= s1 (+ s2 t12)) (not (= i2 i1))) (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (<= (+ s2 t12) s1))), Black: 3869#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3839#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3807#(and (or (< s2 (+ s1 1)) (not (= i2 i1))) (or (not (= i2 i1)) (<= s1 s2))), 3913#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 4352#(and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)), Black: 4354#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4452#(and (<= 2 i1) (< i1 (+ n 1)) (<= i2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1)))) (<= i1 2) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4436#(and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 4440#(and (<= 2 i1) (< i1 (+ n 1)) (<= i2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1)))) (or (not (= i2 i1)) (= (+ s2 i1) (+ s1 2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (<= i1 2)), Black: 4456#(and (<= 2 i1) (or (= (+ s2 i1 t12) (+ s1 2)) (not (= i2 i1))) (<= s1 (+ s2 (select x 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1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= 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Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:21:16,418 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:21:16,418 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:21:16,418 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:21:16,418 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:21:18,081 INFO L129 PetriNetUnfolder]: 5543/8979 cut-off events. [2021-03-24 15:21:18,082 INFO L130 PetriNetUnfolder]: For 790865/790949 co-relation queries the response was YES. [2021-03-24 15:21:18,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156556 conditions, 8979 events. 5543/8979 cut-off events. For 790865/790949 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 62397 event pairs, 246 based on Foata normal form. 51/8997 useless extension candidates. Maximal degree in co-relation 156093. Up to 7240 conditions per place. [2021-03-24 15:21:18,315 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2446 selfloop transitions, 277 changer transitions 0/2735 dead transitions. [2021-03-24 15:21:18,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 2735 transitions, 83836 flow [2021-03-24 15:21:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 15:21:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 15:21:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 421 transitions. [2021-03-24 15:21:18,316 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7796296296296297 [2021-03-24 15:21:18,316 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 421 transitions. [2021-03-24 15:21:18,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 421 transitions. [2021-03-24 15:21:18,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:21:18,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 421 transitions. [2021-03-24 15:21:18,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.38888888888889) internal successors, (421), 18 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:18,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:18,317 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:18,317 INFO L185 Difference]: Start difference. First operand has 599 places, 2713 transitions, 77110 flow. Second operand 18 states and 421 transitions. [2021-03-24 15:21:18,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 2735 transitions, 83836 flow [2021-03-24 15:21:22,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 2735 transitions, 82618 flow, removed 490 selfloop flow, removed 13 redundant places. [2021-03-24 15:21:22,524 INFO L241 Difference]: Finished difference. Result has 606 places, 2735 transitions, 77814 flow [2021-03-24 15:21:22,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=75912, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=77814, PETRI_PLACES=606, PETRI_TRANSITIONS=2735} [2021-03-24 15:21:22,525 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 575 predicate places. [2021-03-24 15:21:22,525 INFO L480 AbstractCegarLoop]: Abstraction has has 606 places, 2735 transitions, 77814 flow [2021-03-24 15:21:22,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:22,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:21:22,526 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:21:22,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-24 15:21:22,740 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:21:22,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:21:22,740 INFO L82 PathProgramCache]: Analyzing trace with hash 15102393, now seen corresponding path program 4 times [2021-03-24 15:21:22,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:21:22,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486215765] [2021-03-24 15:21:22,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:21:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:21:22,749 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:21:22,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:22,755 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:21:22,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:21:22,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:22,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,772 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:21:22,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,787 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:21:22,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,811 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-24 15:21:22,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:22,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:22,857 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-24 15:21:22,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:21:22,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486215765] [2021-03-24 15:21:22,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210646897] [2021-03-24 15:21:22,873 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:21:22,895 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:21:22,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:21:22,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:21:22,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:21:22,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:22,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:22,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:22,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:22,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:22,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:22,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:22,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:22,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:21:22,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:22,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:22,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:22,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:22,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:22,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:22,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:22,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:22,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:22,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,941 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-24 15:21:22,941 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 15:21:22,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:21:22,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:21:22,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:21:22,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:22,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:22,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:22,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:22,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:22,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:22,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:22,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:21:22,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:22,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:22,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:21:22,978 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:21:22,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:21:22,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:21:22,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:21:22,988 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:21:22,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:21:22,989 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:21:22,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:21:22,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:22,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:21:23,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:21:23,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,010 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:21:23,010 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:21:23,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:23,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:23,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,031 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:21:23,032 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:21:23,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:23,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:21:23,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:21:23,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,033 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:21:23,034 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:23,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,035 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:21:23,035 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:21:23,036 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:21:23,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:23,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:21:23,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:21:23,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:21:23,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070793244] [2021-03-24 15:21:23,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:21:23,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:21:23,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:21:23,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:21:23,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:21:23,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 2735 transitions, 77814 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:23,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:21:23,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:21:23,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:21:23,306 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2021-03-24 15:21:26,147 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3747#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3755#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3797#true, 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, 740#true, Black: 4289#(and (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1) (or (not (= i2 i1)) (= t11 s2))), Black: 4293#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4297#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4344#true, Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2308#true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not 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[2021-03-24 15:21:26,147 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:21:26,147 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:21:26,147 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:21:26,898 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 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(not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:21:26,898 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:21:26,898 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:21:26,898 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:21:26,899 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:21:28,657 INFO L129 PetriNetUnfolder]: 5579/9023 cut-off events. [2021-03-24 15:21:28,658 INFO L130 PetriNetUnfolder]: For 805871/805955 co-relation queries the response was YES. [2021-03-24 15:21:28,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158275 conditions, 9023 events. 5579/9023 cut-off events. For 805871/805955 co-relation queries the response was YES. Maximal size of possible extension queue 710. Compared 62582 event pairs, 320 based on Foata normal form. 51/9039 useless extension candidates. Maximal degree in co-relation 157808. Up to 7047 conditions per place. [2021-03-24 15:21:29,179 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2193 selfloop transitions, 578 changer transitions 0/2783 dead transitions. [2021-03-24 15:21:29,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 2783 transitions, 85794 flow [2021-03-24 15:21:29,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 15:21:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 15:21:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 638 transitions. [2021-03-24 15:21:29,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7876543209876543 [2021-03-24 15:21:29,180 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 638 transitions. [2021-03-24 15:21:29,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 638 transitions. [2021-03-24 15:21:29,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:21:29,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 638 transitions. [2021-03-24 15:21:29,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 23.62962962962963) internal successors, (638), 27 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:29,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:29,182 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:29,182 INFO L185 Difference]: Start difference. First operand has 606 places, 2735 transitions, 77814 flow. Second operand 27 states and 638 transitions. [2021-03-24 15:21:29,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 2783 transitions, 85794 flow [2021-03-24 15:21:34,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 2783 transitions, 84673 flow, removed 406 selfloop flow, removed 13 redundant places. [2021-03-24 15:21:34,127 INFO L241 Difference]: Finished difference. Result has 623 places, 2780 transitions, 80376 flow [2021-03-24 15:21:34,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=76693, PETRI_DIFFERENCE_MINUEND_PLACES=593, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2735, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=535, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=80376, PETRI_PLACES=623, PETRI_TRANSITIONS=2780} [2021-03-24 15:21:34,129 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 592 predicate places. [2021-03-24 15:21:34,129 INFO L480 AbstractCegarLoop]: Abstraction has has 623 places, 2780 transitions, 80376 flow [2021-03-24 15:21:34,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:34,129 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:21:34,129 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:21:34,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:21:34,343 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:21:34,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:21:34,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1862441737, now seen corresponding path program 10 times [2021-03-24 15:21:34,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:21:34,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842054909] [2021-03-24 15:21:34,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:21:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:21:34,353 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:21:34,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:34,359 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:21:34,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:21:34,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,376 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:21:34,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:34,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:34,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:34,436 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:21:34,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:21:34,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842054909] [2021-03-24 15:21:34,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297232143] [2021-03-24 15:21:34,450 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:21:34,473 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:21:34,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:21:34,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:21:34,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:21:34,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:34,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:34,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:34,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:34,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:34,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:34,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:34,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:34,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:21:34,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:34,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:34,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:34,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,493 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-24 15:21:34,494 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-24 15:21:34,494 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:21:34,494 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:21:34,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:34,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:34,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:34,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:34,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:34,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:34,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:34,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:34,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:34,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:34,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:34,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:34,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:34,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:21:34,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,559 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:21:34,559 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:21:34,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:34,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:34,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:21:34,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:34,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:21:34,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:34,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:34,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:21:34,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:21:34,586 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:21:34,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,587 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:21:34,587 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:21:34,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:34,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:21:34,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:34,597 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:21:34,597 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:21:34,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:34,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:21:34,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,620 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:21:34,621 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:21:34,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:34,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:21:34,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:21:34,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,622 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:21:34,623 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:34,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,624 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:21:34,624 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:21:34,625 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:21:34,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:34,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:21:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:21:34,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:21:34,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:21:34,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293452003] [2021-03-24 15:21:34,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:21:34,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:21:34,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:21:34,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:21:34,675 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:21:34,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 2780 transitions, 80376 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:34,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:21:34,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:21:34,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:21:38,167 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][79], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 4720#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4708#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4773#(and (= (select x 1) s2) (or (not (= i2 1)) (= t12 s1)) (= (select x i1) t21) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), Black: 4716#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4779#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3747#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3755#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3797#true, 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, 740#true, Black: 4289#(and (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1) (or (not (= i2 i1)) (= t11 s2))), Black: 4293#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4297#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4344#true, Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 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Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:21:38,167 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:21:38,167 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:21:38,167 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:21:38,167 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:21:39,143 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][79], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 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i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:21:39,144 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:21:39,144 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:21:39,144 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:21:39,144 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:21:41,126 INFO L129 PetriNetUnfolder]: 5604/9073 cut-off events. [2021-03-24 15:21:41,126 INFO L130 PetriNetUnfolder]: For 835623/836222 co-relation queries the response was YES. [2021-03-24 15:21:41,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160722 conditions, 9073 events. 5604/9073 cut-off events. For 835623/836222 co-relation queries the response was YES. Maximal size of possible extension queue 722. Compared 63005 event pairs, 291 based on Foata normal form. 213/9250 useless extension candidates. Maximal degree in co-relation 160249. Up to 7225 conditions per place. [2021-03-24 15:21:41,381 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2339 selfloop transitions, 460 changer transitions 0/2811 dead transitions. [2021-03-24 15:21:41,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 645 places, 2811 transitions, 87828 flow [2021-03-24 15:21:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-24 15:21:41,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-24 15:21:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 541 transitions. [2021-03-24 15:21:41,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7840579710144927 [2021-03-24 15:21:41,384 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 541 transitions. [2021-03-24 15:21:41,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 541 transitions. [2021-03-24 15:21:41,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:21:41,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 541 transitions. [2021-03-24 15:21:41,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 23.52173913043478) internal successors, (541), 23 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:41,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 30.0) internal successors, (720), 24 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:41,400 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 30.0) internal successors, (720), 24 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:41,400 INFO L185 Difference]: Start difference. First operand has 623 places, 2780 transitions, 80376 flow. Second operand 23 states and 541 transitions. [2021-03-24 15:21:41,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 645 places, 2811 transitions, 87828 flow [2021-03-24 15:21:47,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 2811 transitions, 85008 flow, removed 1008 selfloop flow, removed 22 redundant places. [2021-03-24 15:21:47,069 INFO L241 Difference]: Finished difference. Result has 626 places, 2809 transitions, 80376 flow [2021-03-24 15:21:47,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=77584, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2780, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=432, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=80376, PETRI_PLACES=626, PETRI_TRANSITIONS=2809} [2021-03-24 15:21:47,071 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 595 predicate places. [2021-03-24 15:21:47,071 INFO L480 AbstractCegarLoop]: Abstraction has has 626 places, 2809 transitions, 80376 flow [2021-03-24 15:21:47,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:47,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:21:47,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:21:47,286 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:21:47,286 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:21:47,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:21:47,287 INFO L82 PathProgramCache]: Analyzing trace with hash -790198797, now seen corresponding path program 11 times [2021-03-24 15:21:47,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:21:47,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200044081] [2021-03-24 15:21:47,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:21:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:21:47,299 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:21:47,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,305 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:21:47,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:21:47,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:47,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,322 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:21:47,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:47,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:21:47,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:21:47,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:47,385 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:21:47,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:21:47,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200044081] [2021-03-24 15:21:47,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420614502] [2021-03-24 15:21:47,399 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:21:47,423 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:21:47,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:21:47,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-24 15:21:47,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:21:47,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:47,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:21:47,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,452 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-24 15:21:47,453 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-24 15:21:47,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:21:47,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:21:47,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:47,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:47,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:47,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:47,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:47,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:47,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:21:47,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:21:47,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:21:47,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:21:47,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:21:47,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,506 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-03-24 15:21:47,506 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-03-24 15:21:47,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:47,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:47,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:47,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:47,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:47,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:47,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:21:47,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,529 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size 38 [2021-03-24 15:21:47,530 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-03-24 15:21:47,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:21:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:21:47,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:21:47,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:21:47,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:21:47,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:21:47,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:21:47,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:21:47,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:21:47,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 15:21:47,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:21:47,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 15:21:47,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 15:21:47,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:21:47,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:21:47,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:21:47,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 15:21:47,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 15:21:47,586 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 50 [2021-03-24 15:21:47,588 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.1 percent of original size [2021-03-24 15:21:47,588 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-24 15:21:47,589 INFO L142 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size [2021-03-24 15:21:47,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:21:47,589 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:21:47,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,604 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:21:47,605 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,606 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:21:47,606 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:21:47,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:21:47,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:21:47,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-24 15:21:47,608 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:10 [2021-03-24 15:21:47,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:21:47,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:47,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:47,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:47,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:21:47,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:21:47,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:21:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:21:47,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:21:47,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 15:21:47,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964489396] [2021-03-24 15:21:47,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 15:21:47,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:21:47,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 15:21:47,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-03-24 15:21:47,651 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:21:47,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 2809 transitions, 80376 flow. Second operand has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:47,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:21:47,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:21:47,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:21:51,116 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 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[2021-03-24 15:21:51,116 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:21:51,116 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:21:51,116 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:21:52,358 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 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746#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 825#true, 313#true, Black: 3904#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3843#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 3835#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 3900#(and (or (<= s1 (+ s2 t12)) (not (= i2 i1))) (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (<= (+ s2 t12) s1))), Black: 3869#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3839#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3807#(and (or (< s2 (+ s1 1)) (not (= i2 i1))) (or (not (= i2 i1)) (<= s1 s2))), 3913#true, Black: 1850#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1822#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1887#true, Black: 4352#(and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)), Black: 4354#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4452#(and (<= 2 i1) (< i1 (+ n 1)) (<= i2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1)))) (<= i1 2) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4436#(and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 4440#(and (<= 2 i1) (< i1 (+ n 1)) (<= i2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1)))) (or (not (= i2 i1)) (= (+ s2 i1) (+ s1 2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (<= i1 2)), Black: 4456#(and (<= 2 i1) (or (= (+ s2 i1 t12) (+ s1 2)) (not (= i2 i1))) (<= s1 (+ s2 (select x i1))) (< i1 (+ n 1)) (<= (+ s2 (select x i1)) s1) (<= i2 i1) (or (= t12 s2) (not (= i1 (+ i2 1)))) (<= i1 2)), Black: 4426#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ 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2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), 1399#true, Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= 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i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:21:52,358 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:21:52,358 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:21:52,359 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:21:52,359 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:21:54,525 INFO L129 PetriNetUnfolder]: 5622/9003 cut-off events. [2021-03-24 15:21:54,525 INFO L130 PetriNetUnfolder]: For 856821/857019 co-relation queries the response was YES. [2021-03-24 15:21:54,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160816 conditions, 9003 events. 5622/9003 cut-off events. For 856821/857019 co-relation queries the response was YES. Maximal size of possible extension queue 712. Compared 61452 event pairs, 324 based on Foata normal form. 128/9094 useless extension candidates. Maximal degree in co-relation 160339. Up to 7278 conditions per place. [2021-03-24 15:21:54,813 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2414 selfloop transitions, 415 changer transitions 0/2841 dead transitions. [2021-03-24 15:21:54,813 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 2841 transitions, 87861 flow [2021-03-24 15:21:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 15:21:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 15:21:54,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 515 transitions. [2021-03-24 15:21:54,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7803030303030303 [2021-03-24 15:21:54,814 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 515 transitions. [2021-03-24 15:21:54,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 515 transitions. [2021-03-24 15:21:54,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:21:54,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 515 transitions. [2021-03-24 15:21:54,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.40909090909091) internal successors, (515), 22 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:54,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:54,816 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:21:54,816 INFO L185 Difference]: Start difference. First operand has 626 places, 2809 transitions, 80376 flow. Second operand 22 states and 515 transitions. [2021-03-24 15:21:54,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 2841 transitions, 87861 flow [2021-03-24 15:22:00,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 633 places, 2841 transitions, 86751 flow, removed 414 selfloop flow, removed 14 redundant places. [2021-03-24 15:22:00,642 INFO L241 Difference]: Finished difference. Result has 636 places, 2841 transitions, 82169 flow [2021-03-24 15:22:00,643 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=79270, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2809, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=384, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=82169, PETRI_PLACES=636, PETRI_TRANSITIONS=2841} [2021-03-24 15:22:00,643 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 605 predicate places. [2021-03-24 15:22:00,643 INFO L480 AbstractCegarLoop]: Abstraction has has 636 places, 2841 transitions, 82169 flow [2021-03-24 15:22:00,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:00,643 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:22:00,644 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:22:00,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:22:00,858 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:22:00,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:22:00,859 INFO L82 PathProgramCache]: Analyzing trace with hash -520472923, now seen corresponding path program 10 times [2021-03-24 15:22:00,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:22:00,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998007065] [2021-03-24 15:22:00,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:22:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:22:00,868 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:22:00,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:00,874 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:22:00,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:00,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:00,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:00,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:00,892 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:22:00,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:00,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:22:00,918 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:22:00,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:22:00,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:00,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:00,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:00,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:00,962 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:22:00,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:22:00,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998007065] [2021-03-24 15:22:00,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648775995] [2021-03-24 15:22:00,976 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:22:01,054 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:22:01,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:22:01,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:22:01,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:22:01,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:01,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:01,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:01,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:01,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:01,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:01,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:01,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:01,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:22:01,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:01,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:01,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:01,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:01,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,077 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:22:01,077 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:22:01,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:01,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:01,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:01,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:01,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:01,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:01,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:01,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:01,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:01,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:01,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,094 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-24 15:22:01,094 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-24 15:22:01,095 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-24 15:22:01,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-24 15:22:01,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:01,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:01,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:01,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:01,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:01,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:01,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:01,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:01,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:01,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:01,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:22:01,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:01,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:22:01,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:22:01,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:01,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:22:01,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:22:01,143 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:22:01,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:01,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:01,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:22:01,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:01,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:22:01,161 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:22:01,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:01,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:01,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 15:22:01,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,191 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:22:01,191 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:22:01,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:22:01,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:22:01,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:22:01,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:01,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:01,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:01,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,236 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:22:01,237 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:22:01,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:01,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:22:01,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:01,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,238 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:22:01,239 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:01,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:22:01,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:01,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:22:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:22:01,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:22:01,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:22:01,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320666516] [2021-03-24 15:22:01,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:22:01,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:22:01,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:22:01,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:22:01,296 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:22:01,296 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 2841 transitions, 82169 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:01,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:22:01,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:22:01,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:22:04,690 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 4720#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4708#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4773#(and (= (select x 1) s2) (or (not (= i2 1)) (= t12 s1)) (= (select x i1) t21) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), Black: 4716#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4779#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3747#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3755#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3797#true, 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 228#true, 740#true, Black: 4289#(and (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1) (or (not (= i2 i1)) (= t11 s2))), Black: 4293#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4297#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4344#true, Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2308#true, Black: 4880#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 4834#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 4842#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), 4885#true, Black: 1755#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1756#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2836#(and (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2790#(and (or (not (= i1 1)) (= t12 t11)) (= t12 s1) (or (not (= i2 1)) (= t12 s2)) (or (not 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3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:22:04,691 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:22:04,691 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:22:04,691 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:22:04,691 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:22:05,997 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), 1031#true, Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 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(or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:22:05,997 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:22:05,997 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:22:05,998 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:22:05,998 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:22:07,897 INFO L129 PetriNetUnfolder]: 5636/9128 cut-off events. [2021-03-24 15:22:07,898 INFO L130 PetriNetUnfolder]: For 863276/863360 co-relation queries the response was YES. [2021-03-24 15:22:08,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162263 conditions, 9128 events. 5636/9128 cut-off events. For 863276/863360 co-relation queries the response was YES. Maximal size of possible extension queue 723. Compared 63451 event pairs, 312 based on Foata normal form. 51/9144 useless extension candidates. Maximal degree in co-relation 161782. Up to 7377 conditions per place. [2021-03-24 15:22:08,160 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2591 selfloop transitions, 255 changer transitions 0/2858 dead transitions. [2021-03-24 15:22:08,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 2858 transitions, 89013 flow [2021-03-24 15:22:08,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 15:22:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 15:22:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 420 transitions. [2021-03-24 15:22:08,161 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2021-03-24 15:22:08,161 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 420 transitions. [2021-03-24 15:22:08,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 420 transitions. [2021-03-24 15:22:08,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:22:08,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 420 transitions. [2021-03-24 15:22:08,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.333333333333332) internal successors, (420), 18 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:08,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:08,162 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:08,162 INFO L185 Difference]: Start difference. First operand has 636 places, 2841 transitions, 82169 flow. Second operand 18 states and 420 transitions. [2021-03-24 15:22:08,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 2858 transitions, 89013 flow [2021-03-24 15:22:13,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 640 places, 2858 transitions, 87994 flow, removed 409 selfloop flow, removed 13 redundant places. [2021-03-24 15:22:13,377 INFO L241 Difference]: Finished difference. Result has 643 places, 2858 transitions, 82877 flow [2021-03-24 15:22:13,378 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=81150, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=244, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2592, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=82877, PETRI_PLACES=643, PETRI_TRANSITIONS=2858} [2021-03-24 15:22:13,378 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 612 predicate places. [2021-03-24 15:22:13,378 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 2858 transitions, 82877 flow [2021-03-24 15:22:13,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:13,378 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:22:13,378 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:22:13,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:22:13,592 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:22:13,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:22:13,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1364993679, now seen corresponding path program 12 times [2021-03-24 15:22:13,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:22:13,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127893358] [2021-03-24 15:22:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:22:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:22:13,601 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:22:13,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:13,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:22:13,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:13,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:13,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,624 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:22:13,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:22:13,650 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:22:13,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:22:13,667 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:22:13,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:22:13,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:13,698 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:22:13,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:22:13,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127893358] [2021-03-24 15:22:13,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719130749] [2021-03-24 15:22:13,712 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:22:13,735 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:22:13,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:22:13,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:22:13,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:22:13,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:13,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:13,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:13,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:13,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:13,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:13,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:13,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:13,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:13,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:13,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:13,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:13,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,764 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-24 15:22:13,765 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-24 15:22:13,765 INFO L147 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size 18 [2021-03-24 15:22:13,765 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-24 15:22:13,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:13,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:13,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:13,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:13,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:13,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:13,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:13,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:13,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:13,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:13,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:13,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:13,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:13,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:13,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:13,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:13,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:13,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:13,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:22:13,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:22:13,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:22:13,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:22:13,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,820 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-03-24 15:22:13,820 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size [2021-03-24 15:22:13,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:13,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:13,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:22:13,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:13,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:13,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:22:13,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 15:22:13,851 INFO L354 Elim1Store]: treesize reduction 10, result has 80.4 percent of original size [2021-03-24 15:22:13,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 57 [2021-03-24 15:22:13,851 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.1 percent of original size [2021-03-24 15:22:13,852 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 45 [2021-03-24 15:22:13,852 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-24 15:22:13,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 15:22:13,853 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:22:13,871 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 15:22:13,872 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:22:13,872 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:53 [2021-03-24 15:22:13,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 15:22:13,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 15:22:13,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,905 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.9 percent of original size 55 [2021-03-24 15:22:13,905 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size [2021-03-24 15:22:13,905 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size 48 [2021-03-24 15:22:13,906 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size [2021-03-24 15:22:13,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 15:22:13,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 15:22:13,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,938 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.7 percent of original size 51 [2021-03-24 15:22:13,939 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-03-24 15:22:13,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:13,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 15:22:13,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 15:22:13,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,940 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-24 15:22:13,940 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 15:22:13,941 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,941 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-24 15:22:13,941 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:22:13,942 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,942 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-24 15:22:13,942 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:22:13,943 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,944 INFO L147 QuantifierPusher]: treesize reduction 63, result has 44.2 percent of original size 50 [2021-03-24 15:22:13,945 INFO L142 QuantifierPusher]: treesize reduction 63, result has 44.2 percent of original size [2021-03-24 15:22:13,945 INFO L147 QuantifierPusher]: treesize reduction 36, result has 28.0 percent of original size 14 [2021-03-24 15:22:13,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:13,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:13,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:14,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:22:14,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:22:14,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-24 15:22:14,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233758620] [2021-03-24 15:22:14,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-24 15:22:14,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:22:14,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-24 15:22:14,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-03-24 15:22:14,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:22:14,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 2858 transitions, 82877 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:14,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:22:14,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:22:14,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:22:17,214 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 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(* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:22:17,214 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:22:17,214 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:22:17,214 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:22:17,214 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:22:18,075 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, 29#L23true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or 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(not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:22:18,075 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:22:18,075 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:22:18,075 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:22:18,075 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:22:19,994 INFO L129 PetriNetUnfolder]: 5655/9163 cut-off events. [2021-03-24 15:22:19,994 INFO L130 PetriNetUnfolder]: For 883299/883383 co-relation queries the response was YES. [2021-03-24 15:22:20,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163692 conditions, 9163 events. 5655/9163 cut-off events. For 883299/883383 co-relation queries the response was YES. Maximal size of possible extension queue 737. Compared 63834 event pairs, 292 based on Foata normal form. 51/9180 useless extension candidates. Maximal degree in co-relation 163208. Up to 7385 conditions per place. [2021-03-24 15:22:20,488 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2521 selfloop transitions, 368 changer transitions 0/2901 dead transitions. [2021-03-24 15:22:20,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 2901 transitions, 90882 flow [2021-03-24 15:22:20,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-24 15:22:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-24 15:22:20,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 645 transitions. [2021-03-24 15:22:20,489 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7678571428571429 [2021-03-24 15:22:20,489 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 645 transitions. [2021-03-24 15:22:20,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 645 transitions. [2021-03-24 15:22:20,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:22:20,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 645 transitions. [2021-03-24 15:22:20,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 23.035714285714285) internal successors, (645), 28 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:20,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 30.0) internal successors, (870), 29 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:20,492 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 30.0) internal successors, (870), 29 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:20,492 INFO L185 Difference]: Start difference. First operand has 643 places, 2858 transitions, 82877 flow. Second operand 28 states and 645 transitions. [2021-03-24 15:22:20,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 2901 transitions, 90882 flow [2021-03-24 15:22:26,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 657 places, 2901 transitions, 89909 flow, removed 345 selfloop flow, removed 13 redundant places. [2021-03-24 15:22:26,192 INFO L241 Difference]: Finished difference. Result has 663 places, 2901 transitions, 85206 flow [2021-03-24 15:22:26,194 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=81910, PETRI_DIFFERENCE_MINUEND_PLACES=630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2858, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=334, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=85206, PETRI_PLACES=663, PETRI_TRANSITIONS=2901} [2021-03-24 15:22:26,194 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 632 predicate places. [2021-03-24 15:22:26,194 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 2901 transitions, 85206 flow [2021-03-24 15:22:26,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:26,194 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:22:26,194 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:22:26,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,59 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:22:26,408 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:22:26,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:22:26,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1051150193, now seen corresponding path program 13 times [2021-03-24 15:22:26,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:22:26,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042646114] [2021-03-24 15:22:26,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:22:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:22:26,418 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:22:26,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:26,424 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:22:26,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:26,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,442 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:22:26,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:22:26,468 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:22:26,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:22:26,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:22:26,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:26,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:22:26,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:26,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:22:26,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042646114] [2021-03-24 15:22:26,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795219556] [2021-03-24 15:22:26,526 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:22:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:22:26,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:22:26,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:22:26,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:26,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:26,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:26,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:26,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:26,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:26,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:26,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:26,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,570 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:22:26,570 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:22:26,571 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:22:26,571 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:22:26,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:22:26,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:22:26,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,584 INFO L147 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size 17 [2021-03-24 15:22:26,584 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-24 15:22:26,584 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:22:26,585 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:22:26,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:26,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:26,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:26,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:26,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:26,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:26,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:26,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:26,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:26,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:26,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,602 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:22:26,602 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:22:26,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:26,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:26,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:26,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:26,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:26,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:26,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:26,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:26,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:26,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:26,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:26,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:22:26,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:26,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:22:26,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:22:26,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:26,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:22:26,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:22:26,674 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:22:26,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,676 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:22:26,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:26,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:22:26,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:22:26,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:26,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:26,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:26,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:22:26,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,742 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:22:26,743 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-24 15:22:26,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:26,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:26,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:26,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,767 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:22:26,767 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:22:26,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:26,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:22:26,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:22:26,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,769 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:22:26,769 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:26,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,771 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:22:26,771 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:22:26,771 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:22:26,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:26,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:22:26,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:22:26,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:22:26,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:22:26,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546397289] [2021-03-24 15:22:26,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:22:26,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:22:26,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:22:26,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:22:26,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:22:26,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 2901 transitions, 85206 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:26,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:22:26,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:22:26,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:22:29,996 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1542#(or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 5206#true, 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 157#true, Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 670#true, Black: 4720#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4708#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4773#(and (= (select x 1) s2) (or (not (= i2 1)) (= t12 s1)) (= (select x i1) t21) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), Black: 4716#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4779#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3747#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3755#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3797#true, 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 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i2) s1) (= s2 0)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 1)) (= s1 (* 2 s2))) (= s2 0) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2296#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 2249#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2235#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2308#true, Black: 4880#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 4834#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 4842#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 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3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:22:29,996 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:22:29,996 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:22:29,996 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:22:29,996 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:22:30,940 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 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(+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:22:30,940 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:22:30,940 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:22:30,940 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:22:30,940 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:22:33,112 INFO L129 PetriNetUnfolder]: 5683/9186 cut-off events. [2021-03-24 15:22:33,113 INFO L130 PetriNetUnfolder]: For 898208/898292 co-relation queries the response was YES. [2021-03-24 15:22:33,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165596 conditions, 9186 events. 5683/9186 cut-off events. For 898208/898292 co-relation queries the response was YES. Maximal size of possible extension queue 730. Compared 63619 event pairs, 331 based on Foata normal form. 51/9200 useless extension candidates. Maximal degree in co-relation 165102. Up to 7424 conditions per place. [2021-03-24 15:22:33,383 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2626 selfloop transitions, 288 changer transitions 0/2926 dead transitions. [2021-03-24 15:22:33,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 2926 transitions, 92518 flow [2021-03-24 15:22:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-24 15:22:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-24 15:22:33,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 467 transitions. [2021-03-24 15:22:33,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7783333333333333 [2021-03-24 15:22:33,384 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 467 transitions. [2021-03-24 15:22:33,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 467 transitions. [2021-03-24 15:22:33,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:22:33,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 467 transitions. [2021-03-24 15:22:33,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.35) internal successors, (467), 20 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:33,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:33,385 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:33,385 INFO L185 Difference]: Start difference. First operand has 663 places, 2901 transitions, 85206 flow. Second operand 20 states and 467 transitions. [2021-03-24 15:22:33,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 2926 transitions, 92518 flow [2021-03-24 15:22:39,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 2926 transitions, 91427 flow, removed 457 selfloop flow, removed 15 redundant places. [2021-03-24 15:22:39,111 INFO L241 Difference]: Finished difference. Result has 669 places, 2926 transitions, 86264 flow [2021-03-24 15:22:39,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=84115, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2901, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2613, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=86264, PETRI_PLACES=669, PETRI_TRANSITIONS=2926} [2021-03-24 15:22:39,112 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 638 predicate places. [2021-03-24 15:22:39,112 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 2926 transitions, 86264 flow [2021-03-24 15:22:39,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:39,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:22:39,112 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:22:39,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:22:39,326 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:22:39,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:22:39,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1045324397, now seen corresponding path program 11 times [2021-03-24 15:22:39,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:22:39,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300894521] [2021-03-24 15:22:39,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:22:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:22:39,341 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:22:39,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:39,346 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:22:39,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:39,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:39,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,364 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:22:39,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:22:39,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:39,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:22:39,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:39,425 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:22:39,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:22:39,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300894521] [2021-03-24 15:22:39,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095356476] [2021-03-24 15:22:39,439 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:22:39,462 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-24 15:22:39,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:22:39,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-24 15:22:39,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:22:39,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:39,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:39,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,515 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-24 15:22:39,516 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-24 15:22:39,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:39,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:39,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:22:39,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:39,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:39,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:22:39,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:22:39,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:22:39,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:22:39,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:22:39,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,572 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-03-24 15:22:39,572 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-03-24 15:22:39,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:39,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:39,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:39,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:39,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:39,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:39,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:22:39,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 15:22:39,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:39,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 15:22:39,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:22:39,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:39,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 15:22:39,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:22:39,620 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 46 [2021-03-24 15:22:39,621 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:22:39,621 INFO L147 QuantifierPusher]: treesize reduction 8, result has 82.2 percent of original size 37 [2021-03-24 15:22:39,622 INFO L142 QuantifierPusher]: treesize reduction 8, result has 82.2 percent of original size [2021-03-24 15:22:39,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:22:39,622 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:22:39,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:22:39,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:22:39,650 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:37 [2021-03-24 15:22:39,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:22:39,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:22:39,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,677 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-03-24 15:22:39,678 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-24 15:22:39,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:39,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:22:39,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:22:39,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,679 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:22:39,680 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:39,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,696 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:22:39,697 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:39,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:22:39,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:22:39,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:22:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:39,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:39,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:39,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:22:39,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:22:39,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 15:22:39,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934203399] [2021-03-24 15:22:39,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 15:22:39,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:22:39,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 15:22:39,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-03-24 15:22:39,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:22:39,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 2926 transitions, 86264 flow. Second operand has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:39,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:22:39,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:22:39,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:22:42,805 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), 1031#true, Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 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1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:22:42,806 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:22:42,806 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:22:42,806 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:22:42,806 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:22:43,645 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x 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3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:22:43,645 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:22:43,645 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:22:43,645 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:22:43,645 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:22:45,554 INFO L129 PetriNetUnfolder]: 5708/9231 cut-off events. [2021-03-24 15:22:45,555 INFO L130 PetriNetUnfolder]: For 930040/930124 co-relation queries the response was YES. [2021-03-24 15:22:45,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167078 conditions, 9231 events. 5708/9231 cut-off events. For 930040/930124 co-relation queries the response was YES. Maximal size of possible extension queue 730. Compared 64068 event pairs, 265 based on Foata normal form. 51/9247 useless extension candidates. Maximal degree in co-relation 166582. Up to 7427 conditions per place. [2021-03-24 15:22:45,818 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2586 selfloop transitions, 361 changer transitions 0/2959 dead transitions. [2021-03-24 15:22:45,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 2959 transitions, 93979 flow [2021-03-24 15:22:45,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-24 15:22:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-24 15:22:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 487 transitions. [2021-03-24 15:22:45,820 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.773015873015873 [2021-03-24 15:22:45,820 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 487 transitions. [2021-03-24 15:22:45,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 487 transitions. [2021-03-24 15:22:45,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:22:45,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 487 transitions. [2021-03-24 15:22:45,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 23.19047619047619) internal successors, (487), 21 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:45,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 30.0) internal successors, (660), 22 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:45,821 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 30.0) internal successors, (660), 22 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:45,821 INFO L185 Difference]: Start difference. First operand has 669 places, 2926 transitions, 86264 flow. Second operand 21 states and 487 transitions. [2021-03-24 15:22:45,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 2959 transitions, 93979 flow [2021-03-24 15:22:51,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 673 places, 2959 transitions, 92980 flow, removed 215 selfloop flow, removed 16 redundant places. [2021-03-24 15:22:51,548 INFO L241 Difference]: Finished difference. Result has 675 places, 2959 transitions, 88056 flow [2021-03-24 15:22:51,549 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=85265, PETRI_DIFFERENCE_MINUEND_PLACES=653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2926, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=88056, PETRI_PLACES=675, PETRI_TRANSITIONS=2959} [2021-03-24 15:22:51,549 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 644 predicate places. [2021-03-24 15:22:51,549 INFO L480 AbstractCegarLoop]: Abstraction has has 675 places, 2959 transitions, 88056 flow [2021-03-24 15:22:51,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:51,549 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:22:51,549 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:22:51,763 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-03-24 15:22:51,763 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:22:51,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:22:51,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1736655439, now seen corresponding path program 12 times [2021-03-24 15:22:51,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:22:51,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911472846] [2021-03-24 15:22:51,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:22:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:22:51,785 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:22:51,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:51,791 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:22:51,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:51,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:51,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,822 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:22:51,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:22:51,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:51,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:51,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:22:51,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:22:51,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:22:51,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911472846] [2021-03-24 15:22:51,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755213808] [2021-03-24 15:22:51,930 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 15:22:51,980 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:22:51,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:22:51,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:22:51,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:22:51,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:51,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:51,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:51,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:51,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:51,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:51,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:51,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:22:51,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,987 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:22:51,987 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:22:51,987 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:22:51,987 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:22:51,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:22:51,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:51,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:22:52,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:22:52,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:22:52,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,016 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:22:52,016 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:22:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:52,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:52,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:22:52,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:52,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:52,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:52,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:22:52,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:22:52,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,053 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:22:52,053 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:22:52,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:52,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:52,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:52,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:52,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:52,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:22:52,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:22:52,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:52,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:22:52,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:22:52,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:52,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:22:52,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:22:52,083 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:22:52,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,084 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:22:52,084 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:22:52,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:22:52,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:22:52,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:22:52,096 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-03-24 15:22:52,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:22:52,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:22:52,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,131 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:22:52,131 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-24 15:22:52,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:22:52,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,176 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:22:52,177 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:22:52,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:52,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:22:52,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:22:52,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,178 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:22:52,179 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:22:52,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,180 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:22:52,180 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:22:52,181 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:22:52,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:22:52,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:22:52,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:22:52,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:22:52,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:22:52,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:22:52,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:22:52,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:22:52,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:22:52,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:22:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:22:52,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:22:52,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:22:52,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435125533] [2021-03-24 15:22:52,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:22:52,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:22:52,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:22:52,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:22:52,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:22:52,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 2959 transitions, 88056 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:52,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:22:52,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:22:52,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:22:55,746 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 4720#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4708#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4773#(and (= (select x 1) s2) (or (not (= i2 1)) (= t12 s1)) (= (select x i1) t21) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), Black: 4716#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4779#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 5268#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5272#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 5309#true, Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3747#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3755#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3797#true, 1750#true, Black: 1203#(and (= 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(not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:22:55,747 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:22:55,747 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:22:55,747 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:22:55,747 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:22:56,728 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, 29#L23true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 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n 1)) (<= i2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1)))) (or (not (= i2 i1)) (= (+ s2 i1) (+ s1 2))) (<= i1 2)), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 4351#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 4467#true, Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and 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(select x i2) (- 1)) 1))))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 4938#(exists ((t12 Int)) (and (= (+ s2 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))) (+ s1 t12 (select x i2))) (= t12 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, Black: 4895#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4990#true, 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:22:56,729 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:22:56,729 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:22:56,729 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:22:56,729 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:22:58,783 INFO L129 PetriNetUnfolder]: 5721/9301 cut-off events. [2021-03-24 15:22:58,783 INFO L130 PetriNetUnfolder]: For 940409/940493 co-relation queries the response was YES. [2021-03-24 15:22:58,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168157 conditions, 9301 events. 5721/9301 cut-off events. For 940409/940493 co-relation queries the response was YES. Maximal size of possible extension queue 746. Compared 65296 event pairs, 308 based on Foata normal form. 51/9315 useless extension candidates. Maximal degree in co-relation 167659. Up to 7465 conditions per place. [2021-03-24 15:22:59,069 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2646 selfloop transitions, 316 changer transitions 0/2974 dead transitions. [2021-03-24 15:22:59,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 694 places, 2974 transitions, 94790 flow [2021-03-24 15:22:59,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-24 15:22:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-24 15:22:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 472 transitions. [2021-03-24 15:22:59,071 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7866666666666666 [2021-03-24 15:22:59,071 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 472 transitions. [2021-03-24 15:22:59,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 472 transitions. [2021-03-24 15:22:59,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:22:59,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 472 transitions. [2021-03-24 15:22:59,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.6) internal successors, (472), 20 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:59,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:59,072 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:22:59,072 INFO L185 Difference]: Start difference. First operand has 675 places, 2959 transitions, 88056 flow. Second operand 20 states and 472 transitions. [2021-03-24 15:22:59,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 694 places, 2974 transitions, 94790 flow [2021-03-24 15:23:05,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 677 places, 2974 transitions, 93761 flow, removed 272 selfloop flow, removed 17 redundant places. [2021-03-24 15:23:05,770 INFO L241 Difference]: Finished difference. Result has 679 places, 2974 transitions, 88538 flow [2021-03-24 15:23:05,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=87027, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2959, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=301, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2643, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=88538, PETRI_PLACES=679, PETRI_TRANSITIONS=2974} [2021-03-24 15:23:05,772 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 648 predicate places. [2021-03-24 15:23:05,772 INFO L480 AbstractCegarLoop]: Abstraction has has 679 places, 2974 transitions, 88538 flow [2021-03-24 15:23:05,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:05,772 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:05,772 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:05,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:05,973 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:23:05,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:05,982 INFO L82 PathProgramCache]: Analyzing trace with hash -14126657, now seen corresponding path program 13 times [2021-03-24 15:23:05,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:05,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501144813] [2021-03-24 15:23:05,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:06,020 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:23:06,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:06,027 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:23:06,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:06,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:06,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,045 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:23:06,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:06,072 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:23:06,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:06,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:06,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:06,119 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:23:06,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:23:06,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501144813] [2021-03-24 15:23:06,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893783041] [2021-03-24 15:23:06,134 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 15:23:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:06,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:23:06,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:06,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:06,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:06,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:06,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:06,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:06,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:06,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:06,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:06,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,200 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:23:06,201 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:23:06,201 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:23:06,201 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:23:06,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:06,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:06,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,214 INFO L147 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size 17 [2021-03-24 15:23:06,214 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-24 15:23:06,215 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:23:06,215 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:23:06,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:06,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:06,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:06,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:06,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:06,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:06,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:06,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:06,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:06,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:06,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:06,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:06,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:06,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:06,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:06,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:06,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:06,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:06,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:06,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:06,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:06,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:06,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:06,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:06,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:06,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:06,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:06,276 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:23:06,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:06,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:06,278 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:06,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:06,301 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:06,301 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:23:06,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:06,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,325 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:23:06,325 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:23:06,326 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:23:06,326 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:23:06,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:23:06,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:23:06,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:23:06,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:06,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:06,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:06,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,388 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:23:06,388 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:23:06,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:06,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:06,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:23:06,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,390 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:23:06,390 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:06,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,392 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:23:06,392 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:23:06,393 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:23:06,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:06,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:23:06,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:06,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:23:06,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482292583] [2021-03-24 15:23:06,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:23:06,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:06,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:23:06,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:23:06,455 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:23:06,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 679 places, 2974 transitions, 88538 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:06,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:06,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:23:06,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:10,281 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 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n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:23:10,281 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:23:10,281 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:23:10,281 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:23:10,281 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:23:11,369 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= 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0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:23:11,369 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:23:11,369 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:23:11,369 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:23:11,369 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:23:13,631 INFO L129 PetriNetUnfolder]: 5733/9262 cut-off events. [2021-03-24 15:23:13,631 INFO L130 PetriNetUnfolder]: For 954335/954419 co-relation queries the response was YES. [2021-03-24 15:23:13,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168694 conditions, 9262 events. 5733/9262 cut-off events. For 954335/954419 co-relation queries the response was YES. Maximal size of possible extension queue 728. Compared 64293 event pairs, 298 based on Foata normal form. 51/9273 useless extension candidates. Maximal degree in co-relation 168194. Up to 7490 conditions per place. [2021-03-24 15:23:13,924 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2685 selfloop transitions, 292 changer transitions 0/2989 dead transitions. [2021-03-24 15:23:13,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 698 places, 2989 transitions, 95332 flow [2021-03-24 15:23:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-24 15:23:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-24 15:23:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 471 transitions. [2021-03-24 15:23:13,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.785 [2021-03-24 15:23:13,925 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 471 transitions. [2021-03-24 15:23:13,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 471 transitions. [2021-03-24 15:23:13,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:13,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 471 transitions. [2021-03-24 15:23:13,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.55) internal successors, (471), 20 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:13,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:13,926 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:13,927 INFO L185 Difference]: Start difference. First operand has 679 places, 2974 transitions, 88538 flow. Second operand 20 states and 471 transitions. [2021-03-24 15:23:13,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 698 places, 2989 transitions, 95332 flow [2021-03-24 15:23:20,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 680 places, 2989 transitions, 94428 flow, removed 152 selfloop flow, removed 18 redundant places. [2021-03-24 15:23:20,778 INFO L241 Difference]: Finished difference. Result has 682 places, 2989 transitions, 89127 flow [2021-03-24 15:23:20,779 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=87634, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2974, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=277, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=89127, PETRI_PLACES=682, PETRI_TRANSITIONS=2989} [2021-03-24 15:23:20,779 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 651 predicate places. [2021-03-24 15:23:20,779 INFO L480 AbstractCegarLoop]: Abstraction has has 682 places, 2989 transitions, 89127 flow [2021-03-24 15:23:20,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:20,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:20,780 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:20,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-03-24 15:23:20,994 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:23:20,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:20,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1661109619, now seen corresponding path program 14 times [2021-03-24 15:23:20,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:20,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314275116] [2021-03-24 15:23:20,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:21,004 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:23:21,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:21,010 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:23:21,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:21,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:21,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,028 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:23:21,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:21,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,067 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:23:21,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:21,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:21,100 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:23:21,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:23:21,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314275116] [2021-03-24 15:23:21,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005373992] [2021-03-24 15:23:21,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:21,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:23:21,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:21,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:23:21,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:21,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:21,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:21,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:21,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:21,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:21,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:21,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:21,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:21,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,162 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:23:21,162 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:23:21,163 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:23:21,163 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:23:21,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:21,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:21,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:21,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:21,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:21,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:21,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:21,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:21,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:21,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:21,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:21,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:21,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:21,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:21,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:21,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:21,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,221 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-24 15:23:21,221 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 15:23:21,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:21,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:21,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:21,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:21,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:21,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:21,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:21,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:21,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:21,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:21,255 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:23:21,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:21,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:21,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:21,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:21,268 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:21,268 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:23:21,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:21,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:21,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:23:21,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,291 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:23:21,291 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:23:21,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:21,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:21,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:21,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:21,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:21,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:21,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,316 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:23:21,317 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:23:21,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:21,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:21,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:23:21,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,318 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:23:21,319 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:21,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,320 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:23:21,320 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:23:21,321 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:23:21,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:21,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:23:21,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:21,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:23:21,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956274019] [2021-03-24 15:23:21,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:23:21,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:21,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:23:21,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:23:21,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:23:21,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 682 places, 2989 transitions, 89127 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:21,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:21,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:23:21,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:25,123 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][71], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= 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(and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), 5615#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:23:25,123 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:23:25,123 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:23:25,123 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:23:25,123 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:23:26,570 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][71], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 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5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), 5615#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:23:26,570 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:23:26,571 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:23:26,571 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:23:26,571 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:23:29,217 INFO L129 PetriNetUnfolder]: 5759/9320 cut-off events. [2021-03-24 15:23:29,218 INFO L130 PetriNetUnfolder]: For 981633/982232 co-relation queries the response was YES. [2021-03-24 15:23:29,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170019 conditions, 9320 events. 5759/9320 cut-off events. For 981633/982232 co-relation queries the response was YES. Maximal size of possible extension queue 747. Compared 65003 event pairs, 286 based on Foata normal form. 213/9495 useless extension candidates. Maximal degree in co-relation 169555. Up to 7476 conditions per place. [2021-03-24 15:23:29,508 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2611 selfloop transitions, 398 changer transitions 0/3021 dead transitions. [2021-03-24 15:23:29,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 707 places, 3021 transitions, 96848 flow [2021-03-24 15:23:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-24 15:23:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-24 15:23:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 600 transitions. [2021-03-24 15:23:29,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2021-03-24 15:23:29,510 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 600 transitions. [2021-03-24 15:23:29,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 600 transitions. [2021-03-24 15:23:29,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:29,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 600 transitions. [2021-03-24 15:23:29,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 23.076923076923077) internal successors, (600), 26 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:29,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 30.0) internal successors, (810), 27 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:29,513 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 30.0) internal successors, (810), 27 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:29,513 INFO L185 Difference]: Start difference. First operand has 682 places, 2989 transitions, 89127 flow. Second operand 26 states and 600 transitions. [2021-03-24 15:23:29,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 707 places, 3021 transitions, 96848 flow [2021-03-24 15:23:36,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 3021 transitions, 96113 flow, removed 159 selfloop flow, removed 15 redundant places. [2021-03-24 15:23:36,469 INFO L241 Difference]: Finished difference. Result has 697 places, 3021 transitions, 91227 flow [2021-03-24 15:23:36,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=88392, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2989, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=366, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=91227, PETRI_PLACES=697, PETRI_TRANSITIONS=3021} [2021-03-24 15:23:36,471 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 666 predicate places. [2021-03-24 15:23:36,471 INFO L480 AbstractCegarLoop]: Abstraction has has 697 places, 3021 transitions, 91227 flow [2021-03-24 15:23:36,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:36,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:36,471 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:36,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-03-24 15:23:36,686 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:23:36,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:36,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1802850437, now seen corresponding path program 14 times [2021-03-24 15:23:36,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:36,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891309757] [2021-03-24 15:23:36,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:36,696 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:23:36,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:36,702 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:23:36,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:36,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:36,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,731 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:23:36,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:36,766 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:23:36,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:36,781 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:23:36,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:36,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,818 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:23:36,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:23:36,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891309757] [2021-03-24 15:23:36,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319067753] [2021-03-24 15:23:36,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:36,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:23:36,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:36,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:23:36,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:36,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:36,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:36,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:36,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:36,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:36,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:36,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:36,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:36,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:23:36,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:36,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:36,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:36,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:36,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,878 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:23:36,878 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:23:36,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:36,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:36,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:36,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:36,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:36,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:36,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:36,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:36,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:36,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:36,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:36,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:36,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:36,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:23:36,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:36,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:36,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:36,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:36,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:36,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:23:36,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:23:36,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:36,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:36,951 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:36,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:36,962 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:36,962 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:23:36,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:36,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:23:36,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,994 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-24 15:23:36,995 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:23:36,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:36,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:36,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:36,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:37,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,016 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:23:37,017 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:23:37,017 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:23:37,017 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:23:37,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:37,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:37,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,052 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:23:37,053 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:23:37,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:37,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:23:37,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,054 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:23:37,055 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:37,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,056 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:23:37,056 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:23:37,057 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:23:37,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:37,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:23:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:23:37,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:37,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:23:37,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777202478] [2021-03-24 15:23:37,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:23:37,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:37,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:23:37,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:23:37,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:23:37,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 697 places, 3021 transitions, 91227 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:37,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:37,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:23:37,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:40,561 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][83], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (or (not (= i1 1)) (= t21 s2)) (= (select x i2) t22) (= (select x 1) s1)), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5660#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 109#(<= i1 i2), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 4720#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4708#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4773#(and (= (select x 1) s2) (or (not (= i2 1)) (= t12 s1)) (= (select x i1) t21) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), Black: 4716#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4779#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 5268#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5272#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 3167#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 3268#true, Black: 1745#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 3747#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3755#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 1688#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 1690#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3797#true, 1750#true, Black: 1203#(and (= t12 s1) (= s2 0)), Black: 1207#(= s2 s1), Black: 194#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 1177#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 706#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 163#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 714#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1178#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 734#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 702#(and (= s2 s1) (= s1 0) (= (select x i2) t22) (= i2 (+ s1 1))), Black: 186#(and (= s2 s1) (= s1 0) (= (select x i2) t12)), 740#true, 228#true, Black: 4289#(and (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1) (or (not (= i2 i1)) (= t11 s2))), Black: 4293#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4297#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4344#true, Black: 2227#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2213#(and (= i2 0) (= (+ (select x (+ i2 1)) i2) s1) (= s2 0)), Black: 2278#(and (= i2 0) (or (= s2 s1) (not (= i2 i1))) (= (+ (select x (+ i2 1)) i2) s1) (or (not (= i1 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(<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:23:40,561 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:23:40,561 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:23:40,561 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:23:40,561 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:23:41,810 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][83], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ 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2)), Black: 1392#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (<= s2 s1) (<= s1 s2)) (not (= t11 t22))) (or (not (= i2 i1)) (= t11 t22))), Black: 2357#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 4351#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), 4467#true, Black: 1329#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 4985#(and (exists ((t12 Int)) (and (= (+ s2 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))) (+ s1 t12 (select x i2))) (= t12 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 4938#(exists ((t12 Int)) (and (= (+ s2 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))) (+ s1 t12 (select x i2))) (= t12 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), 893#true, Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4895#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4990#true, 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 5488#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5466#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), 5615#true, Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:23:41,810 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:23:41,810 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:23:41,810 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:23:41,810 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:23:43,940 INFO L129 PetriNetUnfolder]: 5780/9304 cut-off events. [2021-03-24 15:23:43,940 INFO L130 PetriNetUnfolder]: For 1018886/1018926 co-relation queries the response was YES. [2021-03-24 15:23:44,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172308 conditions, 9304 events. 5780/9304 cut-off events. For 1018886/1018926 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 64221 event pairs, 334 based on Foata normal form. 23/9288 useless extension candidates. Maximal degree in co-relation 171801. Up to 7552 conditions per place. [2021-03-24 15:23:44,220 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2715 selfloop transitions, 344 changer transitions 0/3071 dead transitions. [2021-03-24 15:23:44,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 3071 transitions, 100390 flow [2021-03-24 15:23:44,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 15:23:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 15:23:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 516 transitions. [2021-03-24 15:23:44,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7818181818181819 [2021-03-24 15:23:44,221 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 516 transitions. [2021-03-24 15:23:44,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 516 transitions. [2021-03-24 15:23:44,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:44,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 516 transitions. [2021-03-24 15:23:44,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.454545454545453) internal successors, (516), 22 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:44,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:44,223 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:44,223 INFO L185 Difference]: Start difference. First operand has 697 places, 3021 transitions, 91227 flow. Second operand 22 states and 516 transitions. [2021-03-24 15:23:44,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 3071 transitions, 100390 flow [2021-03-24 15:23:50,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 698 places, 3071 transitions, 98979 flow, removed 392 selfloop flow, removed 20 redundant places. [2021-03-24 15:23:50,702 INFO L241 Difference]: Finished difference. Result has 702 places, 3071 transitions, 93812 flow [2021-03-24 15:23:50,703 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=89843, PETRI_DIFFERENCE_MINUEND_PLACES=677, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3021, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=297, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=93812, PETRI_PLACES=702, PETRI_TRANSITIONS=3071} [2021-03-24 15:23:50,703 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 671 predicate places. [2021-03-24 15:23:50,704 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 3071 transitions, 93812 flow [2021-03-24 15:23:50,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:50,704 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:23:50,704 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:23:50,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-03-24 15:23:50,918 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:23:50,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:23:50,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1632396823, now seen corresponding path program 15 times [2021-03-24 15:23:50,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:23:50,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639170155] [2021-03-24 15:23:50,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:23:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:23:50,927 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:23:50,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:50,933 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:23:50,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:23:50,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:50,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:50,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:50,955 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:23:50,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:50,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:50,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:50,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:23:51,010 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:23:51,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:51,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:51,036 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:23:51,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:51,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:23:51,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639170155] [2021-03-24 15:23:51,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477742830] [2021-03-24 15:23:51,061 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:23:51,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:23:51,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:23:51,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:23:51,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:23:51,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:23:51,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:23:51,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:51,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:51,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:23:51,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:23:51,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,113 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:23:51,113 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:23:51,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:51,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:51,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,126 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-24 15:23:51,126 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-24 15:23:51,126 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-24 15:23:51,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-24 15:23:51,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:51,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:23:51,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:51,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:51,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:51,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:23:51,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,167 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-24 15:23:51,168 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 15:23:51,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:51,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:51,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:23:51,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:51,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:51,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:51,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:23:51,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:23:51,196 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:23:51,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:51,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:51,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:23:51,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:51,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:23:51,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:23:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:51,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:23:51,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,230 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-03-24 15:23:51,230 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-03-24 15:23:51,231 INFO L147 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size 29 [2021-03-24 15:23:51,231 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-03-24 15:23:51,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:51,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:23:51,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,263 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:23:51,263 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:23:51,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:23:51,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:23:51,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,265 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:23:51,266 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:23:51,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,267 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:23:51,267 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:23:51,268 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:23:51,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:23:51,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:23:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:23:51,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:23:51,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:23:51,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371227011] [2021-03-24 15:23:51,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:23:51,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:23:51,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:23:51,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:23:51,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:23:51,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 3071 transitions, 93812 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:51,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:23:51,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:23:51,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:23:55,090 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 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(or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:23:55,090 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:23:55,091 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:23:55,091 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:23:55,091 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:23:56,299 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 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(mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5466#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 1904#(<= i1 (+ i2 1)), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:23:56,299 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:23:56,299 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:23:56,299 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:23:56,299 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:23:58,394 INFO L129 PetriNetUnfolder]: 5816/9465 cut-off events. [2021-03-24 15:23:58,394 INFO L130 PetriNetUnfolder]: For 1026953/1027037 co-relation queries the response was YES. [2021-03-24 15:23:58,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174065 conditions, 9465 events. 5816/9465 cut-off events. For 1026953/1027037 co-relation queries the response was YES. Maximal size of possible extension queue 758. Compared 66681 event pairs, 311 based on Foata normal form. 51/9477 useless extension candidates. Maximal degree in co-relation 173554. Up to 7552 conditions per place. [2021-03-24 15:23:58,676 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2681 selfloop transitions, 417 changer transitions 0/3110 dead transitions. [2021-03-24 15:23:58,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 3110 transitions, 102159 flow [2021-03-24 15:23:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-24 15:23:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-24 15:23:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 580 transitions. [2021-03-24 15:23:58,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7733333333333333 [2021-03-24 15:23:58,677 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 580 transitions. [2021-03-24 15:23:58,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 580 transitions. [2021-03-24 15:23:58,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:23:58,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 580 transitions. [2021-03-24 15:23:58,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 23.2) internal successors, (580), 25 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:58,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 30.0) internal successors, (780), 26 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:58,679 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 30.0) internal successors, (780), 26 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:23:58,679 INFO L185 Difference]: Start difference. First operand has 702 places, 3071 transitions, 93812 flow. Second operand 25 states and 580 transitions. [2021-03-24 15:23:58,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 3110 transitions, 102159 flow [2021-03-24 15:24:05,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 715 places, 3110 transitions, 100703 flow, removed 658 selfloop flow, removed 11 redundant places. [2021-03-24 15:24:05,606 INFO L241 Difference]: Finished difference. Result has 719 places, 3110 transitions, 95622 flow [2021-03-24 15:24:05,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=92356, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3071, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=379, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2655, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=95622, PETRI_PLACES=719, PETRI_TRANSITIONS=3110} [2021-03-24 15:24:05,608 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 688 predicate places. [2021-03-24 15:24:05,608 INFO L480 AbstractCegarLoop]: Abstraction has has 719 places, 3110 transitions, 95622 flow [2021-03-24 15:24:05,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:05,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:05,608 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:05,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-03-24 15:24:05,822 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:24:05,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:05,822 INFO L82 PathProgramCache]: Analyzing trace with hash -578199975, now seen corresponding path program 16 times [2021-03-24 15:24:05,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:05,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343570679] [2021-03-24 15:24:05,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:05,831 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:24:05,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,837 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:24:05,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:24:05,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:05,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,855 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:24:05,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:05,882 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:24:05,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:05,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:05,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:05,927 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:24:05,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:05,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343570679] [2021-03-24 15:24:05,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197537763] [2021-03-24 15:24:05,942 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:05,964 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:24:05,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:05,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:24:05,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:05,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:05,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:05,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:05,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:05,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:05,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,985 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-24 15:24:05,985 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-24 15:24:05,986 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:24:05,986 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:24:05,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:05,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:05,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:05,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:05,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:06,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:06,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:06,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:06,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:06,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:06,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:06,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:06,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:06,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:06,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:06,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:06,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:06,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:06,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:06,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:06,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:06,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:06,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:06,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:06,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:06,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:06,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:06,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:24:06,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:06,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:06,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:24:06,047 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:24:06,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:06,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:06,049 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:24:06,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:06,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:24:06,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:24:06,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:06,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:06,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,084 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-24 15:24:06,085 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:24:06,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:06,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:06,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:06,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,109 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:24:06,109 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-24 15:24:06,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:24:06,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:24:06,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:24:06,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,135 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:24:06,136 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:24:06,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:06,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:06,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:24:06,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,137 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:24:06,138 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:06,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,139 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:24:06,139 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:24:06,140 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:24:06,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:06,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:06,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:06,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:24:06,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959827862] [2021-03-24 15:24:06,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:24:06,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:06,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:24:06,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:24:06,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:24:06,194 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 719 places, 3110 transitions, 95622 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:06,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:06,194 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:24:06,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:09,714 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 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i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:24:09,714 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:24:09,714 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:24:09,714 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:09,714 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:24:10,713 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 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(not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:24:10,713 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:24:10,713 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:24:10,713 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:24:10,713 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:24:12,708 INFO L129 PetriNetUnfolder]: 5837/9481 cut-off events. [2021-03-24 15:24:12,708 INFO L130 PetriNetUnfolder]: For 1059698/1059896 co-relation queries the response was YES. [2021-03-24 15:24:12,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175639 conditions, 9481 events. 5837/9481 cut-off events. For 1059698/1059896 co-relation queries the response was YES. Maximal size of possible extension queue 761. Compared 66638 event pairs, 295 based on Foata normal form. 128/9571 useless extension candidates. Maximal degree in co-relation 175123. Up to 7629 conditions per place. [2021-03-24 15:24:12,986 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2813 selfloop transitions, 310 changer transitions 0/3135 dead transitions. [2021-03-24 15:24:12,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 740 places, 3135 transitions, 103516 flow [2021-03-24 15:24:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 15:24:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 15:24:12,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 510 transitions. [2021-03-24 15:24:12,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7727272727272727 [2021-03-24 15:24:12,987 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 510 transitions. [2021-03-24 15:24:12,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 510 transitions. [2021-03-24 15:24:12,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:12,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 510 transitions. [2021-03-24 15:24:12,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.181818181818183) internal successors, (510), 22 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:12,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:12,988 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:12,988 INFO L185 Difference]: Start difference. First operand has 719 places, 3110 transitions, 95622 flow. Second operand 22 states and 510 transitions. [2021-03-24 15:24:12,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 740 places, 3135 transitions, 103516 flow [2021-03-24 15:24:19,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 722 places, 3135 transitions, 102350 flow, removed 454 selfloop flow, removed 18 redundant places. [2021-03-24 15:24:19,785 INFO L241 Difference]: Finished difference. Result has 725 places, 3135 transitions, 96826 flow [2021-03-24 15:24:19,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=94456, PETRI_DIFFERENCE_MINUEND_PLACES=701, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=285, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2800, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=96826, PETRI_PLACES=725, PETRI_TRANSITIONS=3135} [2021-03-24 15:24:19,786 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 694 predicate places. [2021-03-24 15:24:19,786 INFO L480 AbstractCegarLoop]: Abstraction has has 725 places, 3135 transitions, 96826 flow [2021-03-24 15:24:19,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:19,786 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:19,787 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:20,001 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:20,001 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:24:20,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:20,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1367084311, now seen corresponding path program 17 times [2021-03-24 15:24:20,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:20,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173221230] [2021-03-24 15:24:20,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:20,013 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:24:20,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:20,019 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:24:20,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:24:20,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:20,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,036 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:24:20,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:20,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:20,093 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:24:20,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:20,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173221230] [2021-03-24 15:24:20,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214726677] [2021-03-24 15:24:20,105 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:20,129 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:24:20,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:20,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:24:20,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:20,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:20,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:20,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:20,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:20,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:20,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:20,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:20,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:20,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:20,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:20,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:20,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:20,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:20,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:20,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:20,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:20,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:20,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:20,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,216 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 15:24:20,216 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-24 15:24:20,216 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:24:20,217 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:24:20,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:20,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:24:20,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,232 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-24 15:24:20,233 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-24 15:24:20,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:20,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:20,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:20,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:20,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:20,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:20,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:20,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:20,264 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:24:20,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,265 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:24:20,265 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:24:20,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:24:20,266 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:24:20,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:24:20,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:24:20,276 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:24:20,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:24:20,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:24:20,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,300 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:24:20,300 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:24:20,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:20,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:20,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:24:20,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,302 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:24:20,303 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:20,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,304 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:24:20,304 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:24:20,305 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:24:20,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:20,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:24:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:20,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:20,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:24:20,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257977166] [2021-03-24 15:24:20,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:24:20,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:20,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:24:20,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:24:20,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:24:20,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 725 places, 3135 transitions, 96826 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:20,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:20,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:24:20,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:23,858 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 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t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:24:23,858 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:24:23,858 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:23,858 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:24:23,858 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:24:24,855 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), 1031#true, Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, 15#L63true, 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1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), 2527#true, Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:24:24,856 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:24:24,856 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:24:24,856 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:24:24,856 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:24:27,115 INFO L129 PetriNetUnfolder]: 5850/9499 cut-off events. [2021-03-24 15:24:27,115 INFO L130 PetriNetUnfolder]: For 1077740/1077938 co-relation queries the response was YES. [2021-03-24 15:24:27,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176662 conditions, 9499 events. 5850/9499 cut-off events. For 1077740/1077938 co-relation queries the response was YES. Maximal size of possible extension queue 763. Compared 66753 event pairs, 309 based on Foata normal form. 128/9588 useless extension candidates. Maximal degree in co-relation 176143. Up to 7610 conditions per place. [2021-03-24 15:24:27,722 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2758 selfloop transitions, 383 changer transitions 0/3153 dead transitions. [2021-03-24 15:24:27,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 3153 transitions, 104332 flow [2021-03-24 15:24:27,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-24 15:24:27,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-24 15:24:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 563 transitions. [2021-03-24 15:24:27,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7819444444444444 [2021-03-24 15:24:27,723 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 563 transitions. [2021-03-24 15:24:27,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 563 transitions. [2021-03-24 15:24:27,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:27,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 563 transitions. [2021-03-24 15:24:27,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 23.458333333333332) internal successors, (563), 24 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:27,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 30.0) internal successors, (750), 25 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:27,724 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 30.0) internal successors, (750), 25 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:27,724 INFO L185 Difference]: Start difference. First operand has 725 places, 3135 transitions, 96826 flow. Second operand 24 states and 563 transitions. [2021-03-24 15:24:27,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 3153 transitions, 104332 flow [2021-03-24 15:24:34,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 733 places, 3153 transitions, 103195 flow, removed 371 selfloop flow, removed 15 redundant places. [2021-03-24 15:24:34,840 INFO L241 Difference]: Finished difference. Result has 735 places, 3153 transitions, 97794 flow [2021-03-24 15:24:34,841 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=95689, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=365, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2754, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=97794, PETRI_PLACES=735, PETRI_TRANSITIONS=3153} [2021-03-24 15:24:34,841 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 704 predicate places. [2021-03-24 15:24:34,842 INFO L480 AbstractCegarLoop]: Abstraction has has 735 places, 3153 transitions, 97794 flow [2021-03-24 15:24:34,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:34,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:34,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:35,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:35,056 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:24:35,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:35,056 INFO L82 PathProgramCache]: Analyzing trace with hash -856278805, now seen corresponding path program 15 times [2021-03-24 15:24:35,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:35,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472828772] [2021-03-24 15:24:35,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:35,089 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:24:35,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:24:35,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:24:35,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:35,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,113 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:24:35,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:35,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:35,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:35,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:35,177 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:24:35,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:35,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472828772] [2021-03-24 15:24:35,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116213889] [2021-03-24 15:24:35,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:35,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:24:35,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:35,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-24 15:24:35,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:35,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:35,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:35,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:35,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:35,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:35,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:35,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:35,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:35,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:35,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:35,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,243 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-24 15:24:35,244 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-24 15:24:35,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:35,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:35,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:35,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:35,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:35,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:35,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:35,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:35,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:35,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:35,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:35,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:35,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:24:35,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,293 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-03-24 15:24:35,293 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-03-24 15:24:35,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:35,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 15:24:35,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:35,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 15:24:35,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:24:35,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:35,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 15:24:35,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:24:35,332 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 46 [2021-03-24 15:24:35,333 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:24:35,333 INFO L147 QuantifierPusher]: treesize reduction 8, result has 82.2 percent of original size 37 [2021-03-24 15:24:35,334 INFO L142 QuantifierPusher]: treesize reduction 8, result has 82.2 percent of original size [2021-03-24 15:24:35,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:24:35,334 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:24:35,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:24:35,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:24:35,347 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:37 [2021-03-24 15:24:35,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:24:35,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:24:35,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,374 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-03-24 15:24:35,374 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-03-24 15:24:35,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:35,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:24:35,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:24:35,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,376 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:24:35,376 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:35,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,377 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:24:35,377 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:35,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:35,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:24:35,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:35,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:24:35,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:35,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:35,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:35,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:24:35,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:35,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:35,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:35,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 15:24:35,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74087761] [2021-03-24 15:24:35,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 15:24:35,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:35,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 15:24:35,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-03-24 15:24:35,411 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:24:35,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 735 places, 3153 transitions, 97794 flow. Second operand has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:35,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:35,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:24:35,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:38,554 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 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s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:24:38,554 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:24:38,554 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:24:38,554 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:38,554 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:24:39,791 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or 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3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:24:39,792 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:24:39,792 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:24:39,792 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:24:39,792 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:24:41,995 INFO L129 PetriNetUnfolder]: 5861/9529 cut-off events. [2021-03-24 15:24:41,995 INFO L130 PetriNetUnfolder]: For 1103974/1104058 co-relation queries the response was YES. [2021-03-24 15:24:42,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178084 conditions, 9529 events. 5861/9529 cut-off events. For 1103974/1104058 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 67119 event pairs, 292 based on Foata normal form. 51/9539 useless extension candidates. Maximal degree in co-relation 177564. Up to 7631 conditions per place. [2021-03-24 15:24:42,274 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2794 selfloop transitions, 367 changer transitions 0/3173 dead transitions. [2021-03-24 15:24:42,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 755 places, 3173 transitions, 105638 flow [2021-03-24 15:24:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-24 15:24:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-24 15:24:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 489 transitions. [2021-03-24 15:24:42,275 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7761904761904762 [2021-03-24 15:24:42,275 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 489 transitions. [2021-03-24 15:24:42,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 489 transitions. [2021-03-24 15:24:42,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:42,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 489 transitions. [2021-03-24 15:24:42,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 23.285714285714285) internal successors, (489), 21 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:42,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 30.0) internal successors, (660), 22 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:42,276 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 30.0) internal successors, (660), 22 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:42,277 INFO L185 Difference]: Start difference. First operand has 735 places, 3153 transitions, 97794 flow. Second operand 21 states and 489 transitions. [2021-03-24 15:24:42,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 755 places, 3173 transitions, 105638 flow [2021-03-24 15:24:49,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 736 places, 3173 transitions, 104492 flow, removed 304 selfloop flow, removed 19 redundant places. [2021-03-24 15:24:49,533 INFO L241 Difference]: Finished difference. Result has 738 places, 3173 transitions, 99121 flow [2021-03-24 15:24:49,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=96656, PETRI_DIFFERENCE_MINUEND_PLACES=716, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=347, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2786, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=99121, PETRI_PLACES=738, PETRI_TRANSITIONS=3173} [2021-03-24 15:24:49,535 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 707 predicate places. [2021-03-24 15:24:49,535 INFO L480 AbstractCegarLoop]: Abstraction has has 738 places, 3173 transitions, 99121 flow [2021-03-24 15:24:49,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:49,535 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:24:49,535 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:24:49,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-03-24 15:24:49,749 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:24:49,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:24:49,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1185937897, now seen corresponding path program 16 times [2021-03-24 15:24:49,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:24:49,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84731581] [2021-03-24 15:24:49,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:24:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:24:49,758 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:24:49,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:49,764 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:24:49,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:24:49,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:49,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,782 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:24:49,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:24:49,810 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:24:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:49,828 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:24:49,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:49,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:24:49,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:49,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84731581] [2021-03-24 15:24:49,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447998605] [2021-03-24 15:24:49,874 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:24:49,896 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:24:49,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:24:49,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:24:49,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:24:49,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:49,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:49,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:49,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:49,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:49,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:49,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:49,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:24:49,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:24:49,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:49,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:49,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:49,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:49,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,918 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:24:49,918 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:24:49,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:24:49,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:24:49,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:49,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:49,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:49,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:49,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:49,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:49,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:24:49,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:49,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:49,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:49,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:24:49,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:24:49,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:49,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:49,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:24:49,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:49,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:24:49,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:24:49,978 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:24:49,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:49,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:49,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:24:49,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:49,991 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:24:49,991 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:24:49,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:49,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:49,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:50,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:24:50,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:50,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:50,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:24:50,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:24:50,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,035 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:24:50,035 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:24:50,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:24:50,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:24:50,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,060 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:24:50,061 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:24:50,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:50,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:24:50,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:24:50,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,062 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:24:50,063 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:24:50,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,064 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:24:50,064 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:24:50,065 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:24:50,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:24:50,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:24:50,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:24:50,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:24:50,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:24:50,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376980321] [2021-03-24 15:24:50,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:24:50,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:24:50,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:24:50,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:24:50,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:24:50,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 738 places, 3173 transitions, 99121 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:50,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:24:50,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:24:50,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:24:53,579 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][90], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 15#L63true, 6160#true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not 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0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 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[2021-03-24 15:24:53,579 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:24:53,579 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:24:53,579 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:24:54,845 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][90], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 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1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5466#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 6003#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6007#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1904#(<= i1 (+ i2 1)), Black: 6042#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:24:54,846 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:24:54,846 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:24:54,846 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:24:54,846 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:24:57,426 INFO L129 PetriNetUnfolder]: 5886/9568 cut-off events. [2021-03-24 15:24:57,426 INFO L130 PetriNetUnfolder]: For 1120832/1120872 co-relation queries the response was YES. [2021-03-24 15:24:57,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179709 conditions, 9568 events. 5886/9568 cut-off events. For 1120832/1120872 co-relation queries the response was YES. Maximal size of possible extension queue 735. Compared 67117 event pairs, 332 based on Foata normal form. 23/9551 useless extension candidates. Maximal degree in co-relation 179187. Up to 7699 conditions per place. [2021-03-24 15:24:57,723 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2894 selfloop transitions, 302 changer transitions 0/3208 dead transitions. [2021-03-24 15:24:57,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 757 places, 3208 transitions, 107670 flow [2021-03-24 15:24:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-24 15:24:57,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-24 15:24:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 468 transitions. [2021-03-24 15:24:57,724 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.78 [2021-03-24 15:24:57,725 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 468 transitions. [2021-03-24 15:24:57,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 468 transitions. [2021-03-24 15:24:57,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:24:57,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 468 transitions. [2021-03-24 15:24:57,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.4) internal successors, (468), 20 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:57,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:57,726 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 30.0) internal successors, (630), 21 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:24:57,726 INFO L185 Difference]: Start difference. First operand has 738 places, 3173 transitions, 99121 flow. Second operand 20 states and 468 transitions. [2021-03-24 15:24:57,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 757 places, 3208 transitions, 107670 flow [2021-03-24 15:25:06,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 738 places, 3208 transitions, 106513 flow, removed 293 selfloop flow, removed 19 redundant places. [2021-03-24 15:25:06,499 INFO L241 Difference]: Finished difference. Result has 741 places, 3208 transitions, 100940 flow [2021-03-24 15:25:06,501 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=97967, PETRI_DIFFERENCE_MINUEND_PLACES=719, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=267, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2874, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=100940, PETRI_PLACES=741, PETRI_TRANSITIONS=3208} [2021-03-24 15:25:06,501 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 710 predicate places. [2021-03-24 15:25:06,501 INFO L480 AbstractCegarLoop]: Abstraction has has 741 places, 3208 transitions, 100940 flow [2021-03-24 15:25:06,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:06,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:25:06,501 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:25:06,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:25:06,716 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:25:06,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:25:06,716 INFO L82 PathProgramCache]: Analyzing trace with hash -461950399, now seen corresponding path program 18 times [2021-03-24 15:25:06,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:25:06,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503343391] [2021-03-24 15:25:06,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:25:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:06,728 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:25:06,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:06,734 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:25:06,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:25:06,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:25:06,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,752 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:25:06,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:25:06,780 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:25:06,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:25:06,799 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:25:06,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:25:06,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:25:06,831 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:25:06,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:06,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503343391] [2021-03-24 15:25:06,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611990431] [2021-03-24 15:25:06,845 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:25:06,930 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:25:06,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:25:06,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:25:06,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:25:06,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:06,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:06,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:06,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:06,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:06,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:06,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:06,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:25:06,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:25:06,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:25:06,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:25:06,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:25:06,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:25:06,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,962 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:25:06,962 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:25:06,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:06,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,981 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size 23 [2021-03-24 15:25:06,981 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-24 15:25:06,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:25:06,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:25:06,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:25:06,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:25:06,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:25:06,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:06,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:25:07,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:25:07,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:25:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:25:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:25:07,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:25:07,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,023 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.5 percent of original size 35 [2021-03-24 15:25:07,023 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.8 percent of original size [2021-03-24 15:25:07,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:07,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:25:07,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:25:07,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:07,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:25:07,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:25:07,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-24 15:25:07,059 INFO L354 Elim1Store]: treesize reduction 10, result has 80.4 percent of original size [2021-03-24 15:25:07,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 55 [2021-03-24 15:25:07,059 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-03-24 15:25:07,060 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size 43 [2021-03-24 15:25:07,060 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size [2021-03-24 15:25:07,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:25:07,061 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:25:07,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 15:25:07,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:25:07,080 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:51 [2021-03-24 15:25:07,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 15:25:07,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 15:25:07,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 15:25:07,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:25:07,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:25:07,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:25:07,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,144 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size 42 [2021-03-24 15:25:07,145 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size [2021-03-24 15:25:07,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:07,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:25:07,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 15:25:07,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,147 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-24 15:25:07,147 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 15:25:07,147 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,148 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-24 15:25:07,148 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:25:07,149 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,149 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-24 15:25:07,149 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:25:07,150 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,150 INFO L147 QuantifierPusher]: treesize reduction 18, result has 78.8 percent of original size 67 [2021-03-24 15:25:07,151 INFO L142 QuantifierPusher]: treesize reduction 18, result has 78.8 percent of original size [2021-03-24 15:25:07,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 15:25:07,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:07,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:07,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:25:07,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-24 15:25:07,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174434663] [2021-03-24 15:25:07,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-24 15:25:07,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:25:07,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-24 15:25:07,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2021-03-24 15:25:07,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:25:07,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 741 places, 3208 transitions, 100940 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:07,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:25:07,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:25:07,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:25:10,851 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= 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15:25:10,851 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:25:10,851 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:10,851 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:25:10,851 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:25:12,067 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) 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(select x i2)) s2)), Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 4938#(exists ((t12 Int)) (and (= (+ s2 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))) (+ s1 t12 (select x i2))) (= t12 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, Black: 4895#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4990#true, 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 5488#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5466#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 6003#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6007#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1904#(<= i1 (+ i2 1)), Black: 6042#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:25:12,068 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:25:12,068 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:25:12,068 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:25:12,068 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:25:15,483 INFO L129 PetriNetUnfolder]: 5910/9598 cut-off events. [2021-03-24 15:25:15,483 INFO L130 PetriNetUnfolder]: For 1152350/1152548 co-relation queries the response was YES. [2021-03-24 15:25:15,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181308 conditions, 9598 events. 5910/9598 cut-off events. For 1152350/1152548 co-relation queries the response was YES. Maximal size of possible extension queue 765. Compared 67511 event pairs, 276 based on Foata normal form. 110/9669 useless extension candidates. Maximal degree in co-relation 180784. Up to 7759 conditions per place. [2021-03-24 15:25:15,847 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2971 selfloop transitions, 259 changer transitions 0/3242 dead transitions. [2021-03-24 15:25:15,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 766 places, 3242 transitions, 109928 flow [2021-03-24 15:25:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-24 15:25:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-24 15:25:15,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 593 transitions. [2021-03-24 15:25:15,848 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7602564102564102 [2021-03-24 15:25:15,848 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 593 transitions. [2021-03-24 15:25:15,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 593 transitions. [2021-03-24 15:25:15,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:25:15,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 593 transitions. [2021-03-24 15:25:15,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 22.807692307692307) internal successors, (593), 26 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:15,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 30.0) internal successors, (810), 27 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:15,849 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 30.0) internal successors, (810), 27 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:15,850 INFO L185 Difference]: Start difference. First operand has 741 places, 3208 transitions, 100940 flow. Second operand 26 states and 593 transitions. [2021-03-24 15:25:15,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 766 places, 3242 transitions, 109928 flow [2021-03-24 15:25:23,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 751 places, 3242 transitions, 108964 flow, removed 266 selfloop flow, removed 15 redundant places. [2021-03-24 15:25:23,891 INFO L241 Difference]: Finished difference. Result has 755 places, 3242 transitions, 103201 flow [2021-03-24 15:25:23,893 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=99976, PETRI_DIFFERENCE_MINUEND_PLACES=726, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2966, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=103201, PETRI_PLACES=755, PETRI_TRANSITIONS=3242} [2021-03-24 15:25:23,893 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 724 predicate places. [2021-03-24 15:25:23,893 INFO L480 AbstractCegarLoop]: Abstraction has has 755 places, 3242 transitions, 103201 flow [2021-03-24 15:25:23,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:23,893 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:25:23,893 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:25:24,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-03-24 15:25:24,107 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:25:24,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:25:24,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1416980169, now seen corresponding path program 19 times [2021-03-24 15:25:24,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:25:24,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048779753] [2021-03-24 15:25:24,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:25:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:24,143 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:25:24,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:24,151 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:25:24,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:25:24,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:25:24,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,177 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:25:24,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,202 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:25:24,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:24,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:25:24,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:25:24,266 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:25:24,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:24,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048779753] [2021-03-24 15:25:24,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978435957] [2021-03-24 15:25:24,283 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:25:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:24,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:25:24,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:25:24,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:24,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:24,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:24,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:24,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:24,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:24,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:24,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:24,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:25:24,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:25:24,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:25:24,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:25:24,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:25:24,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,341 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:25:24,341 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:25:24,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:24,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,358 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-24 15:25:24,358 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-24 15:25:24,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:25:24,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:25:24,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:25:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,373 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-24 15:25:24,374 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-24 15:25:24,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:25:24,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:25:24,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:25:24,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:25:24,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:25:24,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:25:24,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:25:24,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:25:24,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:25:24,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:25:24,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:25:24,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:25:24,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,411 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-24 15:25:24,411 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-24 15:25:24,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:25:24,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:25:24,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:25:24,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:24,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:25:24,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:25:24,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:24,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 15:25:24,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:25:24,462 INFO L354 Elim1Store]: treesize reduction 21, result has 57.1 percent of original size [2021-03-24 15:25:24,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 47 [2021-03-24 15:25:24,463 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:25:24,464 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:25:24,464 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:25:24,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:25:24,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:25:24,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:25:24,478 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:25:24,478 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:29 [2021-03-24 15:25:24,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:25:24,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:25:24,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,505 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:25:24,505 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:25:24,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:24,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:25:24,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:25:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,507 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:25:24,507 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:24,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,508 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:25:24,509 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:25:24,509 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:25:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:24,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:24,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:24,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:25:24,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:25:24,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858449256] [2021-03-24 15:25:24,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:25:24,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:25:24,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:25:24,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:25:24,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:25:24,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 755 places, 3242 transitions, 103201 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:24,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:25:24,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:25:24,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:25:28,985 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][80], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 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1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:25:28,986 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:25:28,986 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:28,986 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:25:28,986 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:25:30,520 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][80], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 15#L63true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= 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(mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 4938#(exists ((t12 Int)) (and (= (+ s2 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))) (+ s1 t12 (select x i2))) (= t12 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, Black: 4895#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 382#true, 4990#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 5488#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5466#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 6003#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 1904#(<= i1 (+ i2 1)), Black: 6007#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 6042#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 4020#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:25:30,520 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:25:30,520 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:25:30,520 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:25:30,520 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:25:33,559 INFO L129 PetriNetUnfolder]: 5982/9755 cut-off events. [2021-03-24 15:25:33,559 INFO L130 PetriNetUnfolder]: For 1203192/1203234 co-relation queries the response was YES. [2021-03-24 15:25:33,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184947 conditions, 9755 events. 5982/9755 cut-off events. For 1203192/1203234 co-relation queries the response was YES. Maximal size of possible extension queue 742. Compared 68982 event pairs, 286 based on Foata normal form. 23/9740 useless extension candidates. Maximal degree in co-relation 184418. Up to 7485 conditions per place. [2021-03-24 15:25:33,886 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2559 selfloop transitions, 740 changer transitions 0/3311 dead transitions. [2021-03-24 15:25:33,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 3311 transitions, 113738 flow [2021-03-24 15:25:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-24 15:25:33,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-24 15:25:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 593 transitions. [2021-03-24 15:25:33,887 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7906666666666666 [2021-03-24 15:25:33,887 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 593 transitions. [2021-03-24 15:25:33,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 593 transitions. [2021-03-24 15:25:33,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:25:33,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 593 transitions. [2021-03-24 15:25:33,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 23.72) internal successors, (593), 25 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:33,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 30.0) internal successors, (780), 26 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:33,888 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 30.0) internal successors, (780), 26 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:33,889 INFO L185 Difference]: Start difference. First operand has 755 places, 3242 transitions, 103201 flow. Second operand 25 states and 593 transitions. [2021-03-24 15:25:33,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 3311 transitions, 113738 flow [2021-03-24 15:25:42,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 3311 transitions, 111474 flow, removed 1053 selfloop flow, removed 15 redundant places. [2021-03-24 15:25:42,534 INFO L241 Difference]: Finished difference. Result has 769 places, 3306 transitions, 106435 flow [2021-03-24 15:25:42,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=100937, PETRI_DIFFERENCE_MINUEND_PLACES=740, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=683, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=106435, PETRI_PLACES=769, PETRI_TRANSITIONS=3306} [2021-03-24 15:25:42,536 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 738 predicate places. [2021-03-24 15:25:42,536 INFO L480 AbstractCegarLoop]: Abstraction has has 769 places, 3306 transitions, 106435 flow [2021-03-24 15:25:42,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:42,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:25:42,536 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:25:42,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-03-24 15:25:42,749 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:25:42,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:25:42,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1314016145, now seen corresponding path program 13 times [2021-03-24 15:25:42,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:25:42,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128280944] [2021-03-24 15:25:42,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:25:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:42,757 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:25:42,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:42,763 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:25:42,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:25:42,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:25:42,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,782 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:25:42,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:25:42,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,821 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:25:42,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:25:42,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:25:42,854 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:25:42,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:42,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128280944] [2021-03-24 15:25:42,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042285610] [2021-03-24 15:25:42,868 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:25:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:25:42,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:25:42,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:25:42,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:42,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:42,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:42,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:42,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:42,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:42,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:42,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:25:42,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:25:42,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:25:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:25:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:25:42,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,913 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-24 15:25:42,913 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-24 15:25:42,914 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:25:42,914 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:25:42,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:25:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:25:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:25:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:25:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:25:42,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:25:42,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:25:42,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,957 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-24 15:25:42,957 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 15:25:42,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:25:42,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:25:42,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:25:42,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:25:42,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:42,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:25:42,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:25:42,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:42,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:25:42,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:25:42,984 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:25:42,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:25:42,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:25:42,986 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:25:42,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:25:42,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:25:42,996 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:25:42,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:25:42,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:42,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:25:43,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:25:43,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,017 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:25:43,017 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:25:43,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:25:43,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:25:43,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,039 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:25:43,039 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:25:43,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:43,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:25:43,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:25:43,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,041 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:25:43,041 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:25:43,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,042 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:25:43,043 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:25:43,043 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:25:43,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:25:43,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:25:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:25:43,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:25:43,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:25:43,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841201196] [2021-03-24 15:25:43,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:25:43,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:25:43,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:25:43,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:25:43,096 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:25:43,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 769 places, 3306 transitions, 106435 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:43,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:25:43,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:25:43,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:25:43,489 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2021-03-24 15:25:47,693 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][76], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 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Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:25:47,693 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:25:47,693 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:25:47,693 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:25:47,693 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:25:49,314 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][76], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= 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(+ s2 t22)))), 4467#true, Black: 2411#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 2316#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1362#(and (= i2 1) (= s2 s1) (= i1 1) (< 0 n)), Black: 2365#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1390#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1358#(and (= i2 1) (= t22 s1) (= i1 1) (< 0 n) (= s2 0)), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), 1399#true, Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 4938#(exists ((t12 Int)) (and (= (+ s2 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))) (+ s1 t12 (select x i2))) (= t12 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, Black: 4895#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4990#true, 382#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 5488#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5466#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 6003#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 1904#(<= i1 (+ i2 1)), Black: 6007#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 6042#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), Black: 6577#(and (= s2 (+ (select x (+ s1 (* (select x 1) (- 1)) 1)) (select x i2))) (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (select x 1) s1)), Black: 6482#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 4020#true, Black: 6531#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 6484#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6523#(and (= s2 (+ (select x (+ s1 (* (select x 1) (- 1)) 1)) (select x i2))) (= (select x 1) s1)), 6584#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), 961#true, Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:25:49,314 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:25:49,314 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:25:49,314 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:25:49,314 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:25:52,200 INFO L129 PetriNetUnfolder]: 6028/9782 cut-off events. [2021-03-24 15:25:52,200 INFO L130 PetriNetUnfolder]: For 1243299/1243864 co-relation queries the response was YES. [2021-03-24 15:25:52,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188737 conditions, 9782 events. 6028/9782 cut-off events. For 1243299/1243864 co-relation queries the response was YES. Maximal size of possible extension queue 780. Compared 68837 event pairs, 286 based on Foata normal form. 182/9927 useless extension candidates. Maximal degree in co-relation 188240. Up to 7804 conditions per place. [2021-03-24 15:25:52,508 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2901 selfloop transitions, 483 changer transitions 0/3396 dead transitions. [2021-03-24 15:25:52,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 793 places, 3396 transitions, 117708 flow [2021-03-24 15:25:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-24 15:25:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-24 15:25:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 587 transitions. [2021-03-24 15:25:52,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7826666666666666 [2021-03-24 15:25:52,510 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 587 transitions. [2021-03-24 15:25:52,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 587 transitions. [2021-03-24 15:25:52,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:25:52,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 587 transitions. [2021-03-24 15:25:52,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 23.48) internal successors, (587), 25 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:52,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 30.0) internal successors, (780), 26 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:52,511 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 30.0) internal successors, (780), 26 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:25:52,511 INFO L185 Difference]: Start difference. First operand has 769 places, 3306 transitions, 106435 flow. Second operand 25 states and 587 transitions. [2021-03-24 15:25:52,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 793 places, 3396 transitions, 117708 flow [2021-03-24 15:26:00,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 778 places, 3396 transitions, 114102 flow, removed 1505 selfloop flow, removed 15 redundant places. [2021-03-24 15:26:00,516 INFO L241 Difference]: Finished difference. Result has 784 places, 3395 transitions, 108805 flow [2021-03-24 15:26:00,517 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=102892, PETRI_DIFFERENCE_MINUEND_PLACES=754, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=398, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2833, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=108805, PETRI_PLACES=784, PETRI_TRANSITIONS=3395} [2021-03-24 15:26:00,517 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 753 predicate places. [2021-03-24 15:26:00,517 INFO L480 AbstractCegarLoop]: Abstraction has has 784 places, 3395 transitions, 108805 flow [2021-03-24 15:26:00,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:00,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:26:00,517 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:26:00,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-03-24 15:26:00,732 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:26:00,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:26:00,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1557569501, now seen corresponding path program 5 times [2021-03-24 15:26:00,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:26:00,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877625656] [2021-03-24 15:26:00,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:26:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:26:00,741 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:26:00,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:00,747 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:26:00,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:26:00,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:00,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,765 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:26:00,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,782 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:26:00,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,810 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-24 15:26:00,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:00,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:00,856 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-24 15:26:00,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:00,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877625656] [2021-03-24 15:26:00,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109690738] [2021-03-24 15:26:00,872 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:26:00,895 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-24 15:26:00,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:26:00,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:26:00,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:26:00,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:00,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:00,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:00,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:00,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:00,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:00,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:00,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:00,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:26:00,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:26:00,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:26:00,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:26:00,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,916 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-24 15:26:00,916 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-24 15:26:00,917 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:26:00,917 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:26:00,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:00,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,932 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:26:00,932 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:26:00,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:00,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:00,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:00,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:00,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:26:00,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:26:00,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:26:00,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:00,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:00,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:00,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:00,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:00,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:00,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:00,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:26:00,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:00,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:00,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:26:00,989 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:26:00,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:00,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:00,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:00,991 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:26:01,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:26:01,003 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:26:01,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:01,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,033 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-03-24 15:26:01,033 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-03-24 15:26:01,034 INFO L147 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size 29 [2021-03-24 15:26:01,034 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-03-24 15:26:01,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:01,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:01,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:01,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:01,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:01,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:01,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,062 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:26:01,062 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:26:01,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:01,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:26:01,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:26:01,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,064 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:26:01,065 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:01,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,066 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:26:01,066 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:26:01,067 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:26:01,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:01,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:01,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:26:01,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:26:01,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913436009] [2021-03-24 15:26:01,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:26:01,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:26:01,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:26:01,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:26:01,119 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:26:01,119 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 784 places, 3395 transitions, 108805 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:01,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:26:01,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:26:01,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:26:05,456 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (or (not (= i1 1)) (= t21 s2)) (= (select x i2) t22) (= (select x 1) s1)), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5660#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, Black: 6169#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 6170#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 4720#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4708#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4773#(and (= (select x 1) s2) (or (not (= i2 1)) (= t12 s1)) (= (select x i1) t21) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), Black: 4716#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4779#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2741#true, Black: 5268#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3216#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5272#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3169#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3204#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), Black: 3256#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 3208#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3258#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 3246#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 i1)) 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2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:26:05,456 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:26:05,456 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:26:05,456 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:26:05,456 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:06,599 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, 29#L23true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 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i1) (+ s1 1)) (= (+ s2 1) i1)), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= 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(= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:26:06,599 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:26:06,599 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:26:06,599 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:26:06,599 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:26:09,518 INFO L129 PetriNetUnfolder]: 6085/9886 cut-off events. [2021-03-24 15:26:09,518 INFO L130 PetriNetUnfolder]: For 1264626/1264812 co-relation queries the response was YES. [2021-03-24 15:26:09,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190482 conditions, 9886 events. 6085/9886 cut-off events. For 1264626/1264812 co-relation queries the response was YES. Maximal size of possible extension queue 788. Compared 69851 event pairs, 306 based on Foata normal form. 121/9967 useless extension candidates. Maximal degree in co-relation 189939. Up to 7711 conditions per place. [2021-03-24 15:26:09,827 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2726 selfloop transitions, 710 changer transitions 0/3448 dead transitions. [2021-03-24 15:26:09,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 3448 transitions, 118945 flow [2021-03-24 15:26:09,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-24 15:26:09,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-24 15:26:09,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 676 transitions. [2021-03-24 15:26:09,828 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7770114942528735 [2021-03-24 15:26:09,828 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 676 transitions. [2021-03-24 15:26:09,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 676 transitions. [2021-03-24 15:26:09,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:26:09,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 676 transitions. [2021-03-24 15:26:09,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 23.310344827586206) internal successors, (676), 29 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:09,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 30.0) internal successors, (900), 30 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:09,830 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 30.0) internal successors, (900), 30 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:09,830 INFO L185 Difference]: Start difference. First operand has 784 places, 3395 transitions, 108805 flow. Second operand 29 states and 676 transitions. [2021-03-24 15:26:09,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 3448 transitions, 118945 flow [2021-03-24 15:26:17,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 798 places, 3448 transitions, 116274 flow, removed 1237 selfloop flow, removed 14 redundant places. [2021-03-24 15:26:17,735 INFO L241 Difference]: Finished difference. Result has 802 places, 3444 transitions, 110801 flow [2021-03-24 15:26:17,737 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=106134, PETRI_DIFFERENCE_MINUEND_PLACES=770, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=667, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=110801, PETRI_PLACES=802, PETRI_TRANSITIONS=3444} [2021-03-24 15:26:17,737 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 771 predicate places. [2021-03-24 15:26:17,737 INFO L480 AbstractCegarLoop]: Abstraction has has 802 places, 3444 transitions, 110801 flow [2021-03-24 15:26:17,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:17,737 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:26:17,738 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:26:17,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:26:17,940 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:26:17,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:26:17,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1451853427, now seen corresponding path program 20 times [2021-03-24 15:26:17,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:26:17,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530380499] [2021-03-24 15:26:17,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:26:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:26:17,968 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:26:17,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:17,974 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:26:17,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:26:17,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:17,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:17,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:17,992 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:26:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:18,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,031 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:26:18,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:18,064 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:26:18,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:18,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530380499] [2021-03-24 15:26:18,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556752119] [2021-03-24 15:26:18,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:26:18,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:26:18,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:26:18,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:26:18,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:26:18,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:18,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:18,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:18,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:18,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:18,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:18,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:18,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:18,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:26:18,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:18,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:18,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:18,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,180 INFO L147 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size 17 [2021-03-24 15:26:18,180 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-24 15:26:18,180 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:26:18,181 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:26:18,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:18,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:26:18,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:18,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:18,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:18,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:18,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:18,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:18,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:18,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:18,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:18,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:18,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:18,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,230 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-24 15:26:18,230 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 15:26:18,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:18,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:18,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:18,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:18,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:18,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:18,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:26:18,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:18,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:18,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:26:18,261 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:26:18,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:18,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:18,263 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:26:18,273 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:18,274 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:26:18,274 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:26:18,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:18,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:18,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:18,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:18,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:18,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:18,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,302 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:26:18,302 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:26:18,302 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:26:18,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:26:18,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:18,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,341 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:26:18,342 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:26:18,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:18,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:26:18,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:26:18,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,343 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:26:18,344 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:18,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,345 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:26:18,345 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:26:18,346 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:26:18,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:18,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:18,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:18,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:18,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:18,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:18,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:18,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:18,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:18,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:18,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:26:18,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:26:18,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650092540] [2021-03-24 15:26:18,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:26:18,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:26:18,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:26:18,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:26:18,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:26:18,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 802 places, 3444 transitions, 110801 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:18,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:26:18,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:26:18,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:26:22,679 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 582#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1617#true, Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (or (not (= i1 1)) (= t21 s2)) (= (select x i2) t22) (= (select x 1) s1)), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5660#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, Black: 6169#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 6170#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 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0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:26:22,679 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:26:22,680 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:26:22,680 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:22,680 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:26:24,054 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 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(div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:26:24,055 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:26:24,055 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:26:24,055 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:26:24,055 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:26:26,774 INFO L129 PetriNetUnfolder]: 6103/9866 cut-off events. [2021-03-24 15:26:26,775 INFO L130 PetriNetUnfolder]: For 1308072/1308258 co-relation queries the response was YES. [2021-03-24 15:26:27,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191842 conditions, 9866 events. 6103/9866 cut-off events. For 1308072/1308258 co-relation queries the response was YES. Maximal size of possible extension queue 800. Compared 69325 event pairs, 316 based on Foata normal form. 121/9947 useless extension candidates. Maximal degree in co-relation 191332. Up to 7933 conditions per place. [2021-03-24 15:26:27,401 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2985 selfloop transitions, 478 changer transitions 0/3475 dead transitions. [2021-03-24 15:26:27,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 826 places, 3475 transitions, 119618 flow [2021-03-24 15:26:27,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-24 15:26:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-24 15:26:27,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 583 transitions. [2021-03-24 15:26:27,403 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7773333333333333 [2021-03-24 15:26:27,403 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 583 transitions. [2021-03-24 15:26:27,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 583 transitions. [2021-03-24 15:26:27,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:26:27,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 583 transitions. [2021-03-24 15:26:27,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 23.32) internal successors, (583), 25 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:27,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 30.0) internal successors, (780), 26 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:27,404 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 30.0) internal successors, (780), 26 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:27,404 INFO L185 Difference]: Start difference. First operand has 802 places, 3444 transitions, 110801 flow. Second operand 25 states and 583 transitions. [2021-03-24 15:26:27,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 826 places, 3475 transitions, 119618 flow [2021-03-24 15:26:35,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 803 places, 3475 transitions, 116335 flow, removed 1316 selfloop flow, removed 23 redundant places. [2021-03-24 15:26:36,035 INFO L241 Difference]: Finished difference. Result has 807 places, 3475 transitions, 110678 flow [2021-03-24 15:26:36,036 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=107518, PETRI_DIFFERENCE_MINUEND_PLACES=779, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=447, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2966, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=110678, PETRI_PLACES=807, PETRI_TRANSITIONS=3475} [2021-03-24 15:26:36,036 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 776 predicate places. [2021-03-24 15:26:36,036 INFO L480 AbstractCegarLoop]: Abstraction has has 807 places, 3475 transitions, 110678 flow [2021-03-24 15:26:36,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:36,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:26:36,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:26:36,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128 [2021-03-24 15:26:36,251 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:26:36,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:26:36,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1852982763, now seen corresponding path program 17 times [2021-03-24 15:26:36,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:26:36,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617770666] [2021-03-24 15:26:36,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:26:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:26:36,259 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:26:36,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:36,265 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:26:36,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:26:36,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:36,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,283 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:26:36,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:36,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,322 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:26:36,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:36,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:36,353 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:26:36,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:36,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:36,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617770666] [2021-03-24 15:26:36,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099895640] [2021-03-24 15:26:36,367 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:26:36,390 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:26:36,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:26:36,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:26:36,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:26:36,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:36,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:36,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:36,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:36,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:36,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:36,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:36,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:36,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:26:36,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:36,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:36,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:36,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:36,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:36,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,428 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:26:36,428 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:26:36,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:36,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:36,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:36,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:36,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:36,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:36,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:36,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:36,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:36,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:36,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:36,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,460 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-24 15:26:36,460 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 15:26:36,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:36,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:36,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:36,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:36,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:36,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:36,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:26:36,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:36,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:36,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:26:36,490 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:26:36,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:36,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:36,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:26:36,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:36,503 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:26:36,503 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:26:36,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:36,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:36,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,528 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-03-24 15:26:36,528 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-03-24 15:26:36,528 INFO L147 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size 29 [2021-03-24 15:26:36,529 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-03-24 15:26:36,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:36,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:36,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,554 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:26:36,555 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:26:36,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:36,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:26:36,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:26:36,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,556 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:26:36,557 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:36,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,558 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:26:36,558 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:26:36,559 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:26:36,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:36,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:26:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:36,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:26:36,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:26:36,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300769836] [2021-03-24 15:26:36,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:26:36,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:26:36,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:26:36,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:26:36,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:26:36,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 807 places, 3475 transitions, 110678 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:36,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:26:36,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:26:36,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:26:41,072 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][80], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 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(* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:26:41,072 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:26:41,072 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:26:41,072 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:26:41,072 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:26:42,421 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 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(= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 4938#(exists ((t12 Int)) (and (= (+ s2 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))) (+ s1 t12 (select x i2))) (= t12 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, Black: 4895#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 382#true, 4990#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 5488#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5466#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 6003#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6007#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1904#(<= i1 (+ i2 1)), Black: 6042#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= 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i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:26:42,421 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:26:42,421 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:26:42,421 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:26:42,421 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:26:45,380 INFO L129 PetriNetUnfolder]: 6138/10026 cut-off events. [2021-03-24 15:26:45,380 INFO L130 PetriNetUnfolder]: For 1271994/1272034 co-relation queries the response was YES. [2021-03-24 15:26:45,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192282 conditions, 10026 events. 6138/10026 cut-off events. For 1271994/1272034 co-relation queries the response was YES. Maximal size of possible extension queue 773. Compared 71368 event pairs, 372 based on Foata normal form. 23/10010 useless extension candidates. Maximal degree in co-relation 191729. Up to 7966 conditions per place. [2021-03-24 15:26:46,050 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3017 selfloop transitions, 471 changer transitions 0/3500 dead transitions. [2021-03-24 15:26:46,051 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 832 places, 3500 transitions, 119546 flow [2021-03-24 15:26:46,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-24 15:26:46,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-24 15:26:46,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 604 transitions. [2021-03-24 15:26:46,052 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7743589743589744 [2021-03-24 15:26:46,052 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 604 transitions. [2021-03-24 15:26:46,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 604 transitions. [2021-03-24 15:26:46,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:26:46,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 604 transitions. [2021-03-24 15:26:46,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 23.23076923076923) internal successors, (604), 26 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:46,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 30.0) internal successors, (810), 27 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:46,053 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 30.0) internal successors, (810), 27 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:46,053 INFO L185 Difference]: Start difference. First operand has 807 places, 3475 transitions, 110678 flow. Second operand 26 states and 604 transitions. [2021-03-24 15:26:46,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 832 places, 3500 transitions, 119546 flow [2021-03-24 15:26:55,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 813 places, 3500 transitions, 118127 flow, removed 367 selfloop flow, removed 19 redundant places. [2021-03-24 15:26:55,138 INFO L241 Difference]: Finished difference. Result has 815 places, 3500 transitions, 112185 flow [2021-03-24 15:26:55,139 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=109259, PETRI_DIFFERENCE_MINUEND_PLACES=788, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=446, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3004, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=112185, PETRI_PLACES=815, PETRI_TRANSITIONS=3500} [2021-03-24 15:26:55,139 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 784 predicate places. [2021-03-24 15:26:55,139 INFO L480 AbstractCegarLoop]: Abstraction has has 815 places, 3500 transitions, 112185 flow [2021-03-24 15:26:55,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:55,139 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:26:55,139 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:26:55,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:26:55,354 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:26:55,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:26:55,354 INFO L82 PathProgramCache]: Analyzing trace with hash -294984625, now seen corresponding path program 21 times [2021-03-24 15:26:55,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:26:55,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866115371] [2021-03-24 15:26:55,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:26:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:26:55,362 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:26:55,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:55,368 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:26:55,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:26:55,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:55,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,387 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:26:55,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:55,416 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:26:55,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:26:55,434 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:26:55,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:55,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:26:55,466 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:26:55,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:55,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866115371] [2021-03-24 15:26:55,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870178435] [2021-03-24 15:26:55,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:26:55,503 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-24 15:26:55,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:26:55,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:26:55,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:26:55,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:55,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:55,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:55,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:55,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:55,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:55,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:55,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:26:55,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,510 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:26:55,511 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:26:55,511 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:26:55,511 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:26:55,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:55,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:26:55,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,525 INFO L147 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size 17 [2021-03-24 15:26:55,525 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-24 15:26:55,526 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:26:55,526 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:26:55,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:55,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:55,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:55,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:55,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:55,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:55,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:55,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:55,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:55,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:26:55,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:26:55,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:55,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:55,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:55,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:55,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:55,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:55,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:26:55,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:55,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:55,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:55,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:26:55,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:26:55,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:55,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:55,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:26:55,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:55,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:26:55,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:26:55,588 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:26:55,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:55,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:55,590 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:26:55,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:26:55,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:26:55,603 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:26:55,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:26:55,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:26:55,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:26:55,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:55,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:55,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:26:55,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:26:55,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,656 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:26:55,656 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:26:55,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:55,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:26:55,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,682 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:26:55,682 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:26:55,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:55,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:26:55,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:26:55,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,684 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:26:55,685 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:26:55,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,686 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:26:55,686 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:26:55,687 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:26:55,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:26:55,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:26:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:26:55,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:26:55,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:26:55,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392173697] [2021-03-24 15:26:55,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:26:55,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:26:55,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:26:55,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:26:55,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:26:55,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 815 places, 3500 transitions, 112185 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:26:55,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:26:55,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:26:55,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:27:00,177 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 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s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:27:00,177 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:27:00,177 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:27:00,177 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:00,177 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:27:01,696 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), 1031#true, 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and is cut-off event [2021-03-24 15:27:01,696 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:27:01,696 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:27:01,696 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:27:04,737 INFO L129 PetriNetUnfolder]: 6139/9929 cut-off events. [2021-03-24 15:27:04,737 INFO L130 PetriNetUnfolder]: For 1316301/1316385 co-relation queries the response was YES. [2021-03-24 15:27:04,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193243 conditions, 9929 events. 6139/9929 cut-off events. For 1316301/1316385 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 69936 event pairs, 302 based on Foata normal form. 51/9943 useless extension candidates. Maximal degree in co-relation 192688. Up to 8041 conditions per place. [2021-03-24 15:27:05,084 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3183 selfloop transitions, 321 changer transitions 0/3516 dead transitions. [2021-03-24 15:27:05,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 836 places, 3516 transitions, 120685 flow [2021-03-24 15:27:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 15:27:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 15:27:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 512 transitions. [2021-03-24 15:27:05,085 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7757575757575758 [2021-03-24 15:27:05,086 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 512 transitions. [2021-03-24 15:27:05,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 512 transitions. [2021-03-24 15:27:05,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:27:05,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 512 transitions. [2021-03-24 15:27:05,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.272727272727273) internal successors, (512), 22 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:05,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:05,087 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:05,087 INFO L185 Difference]: Start difference. First operand has 815 places, 3500 transitions, 112185 flow. Second operand 22 states and 512 transitions. [2021-03-24 15:27:05,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 836 places, 3516 transitions, 120685 flow [2021-03-24 15:27:14,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 816 places, 3516 transitions, 119249 flow, removed 382 selfloop flow, removed 20 redundant places. [2021-03-24 15:27:14,564 INFO L241 Difference]: Finished difference. Result has 818 places, 3516 transitions, 112951 flow [2021-03-24 15:27:14,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=110749, PETRI_DIFFERENCE_MINUEND_PLACES=795, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=112951, PETRI_PLACES=818, PETRI_TRANSITIONS=3516} [2021-03-24 15:27:14,565 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 787 predicate places. [2021-03-24 15:27:14,565 INFO L480 AbstractCegarLoop]: Abstraction has has 818 places, 3516 transitions, 112951 flow [2021-03-24 15:27:14,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:14,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:27:14,565 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:27:14,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:27:14,772 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:27:14,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:27:14,772 INFO L82 PathProgramCache]: Analyzing trace with hash -908997857, now seen corresponding path program 14 times [2021-03-24 15:27:14,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:27:14,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169383794] [2021-03-24 15:27:14,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:27:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:27:14,801 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:27:14,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,807 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:27:14,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:27:14,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:14,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,826 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:27:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:14,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:14,866 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:27:14,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:14,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:27:14,898 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:27:14,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:14,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169383794] [2021-03-24 15:27:14,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348673306] [2021-03-24 15:27:14,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:27:14,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:27:14,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:27:14,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:27:14,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:27:14,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:14,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:27:14,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:27:14,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:27:14,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:27:14,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,963 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-24 15:27:14,963 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-24 15:27:14,964 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-24 15:27:14,964 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-24 15:27:14,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:14,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:14,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:27:14,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:14,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:14,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:14,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:14,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:14,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:14,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:14,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:15,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:15,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:27:15,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:27:15,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:27:15,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:15,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:15,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:15,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:27:15,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:15,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:15,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:27:15,037 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:27:15,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:27:15,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:27:15,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:27:15,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:27:15,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:27:15,051 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:27:15,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:27:15,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:27:15,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,076 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:27:15,076 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:27:15,077 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:27:15,077 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:27:15,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:27:15,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:27:15,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,104 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:27:15,104 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:27:15,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:15,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:27:15,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:27:15,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,106 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:27:15,106 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:15,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:27:15,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:15,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:27:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:15,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:27:15,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:27:15,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905237816] [2021-03-24 15:27:15,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:27:15,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:27:15,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:27:15,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:27:15,163 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:27:15,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 818 places, 3516 transitions, 112951 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:15,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:27:15,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:27:15,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:27:19,574 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (or (not (= i1 1)) (= t21 s2)) (= (select x i2) t22) (= (select x 1) s1)), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5660#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, Black: 6169#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 6170#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 6753#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6706#(and (or (not (= i2 i1)) (<= s2 (+ s1 t21))) (or (not (= i2 i1)) (<= (+ s1 t21) s2))), Black: 6707#(and (or (< s1 (+ s2 1)) (not (= i2 i1))) (or (not (= i2 i1)) (<= s2 s1))), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 6760#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), 157#true, 670#true, Black: 4720#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4708#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4773#(and (= (select x 1) s2) (or (not (= i2 1)) (= t12 s1)) (= (select x i1) t21) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), Black: 4716#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4779#true, Black: 2673#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 2681#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2665#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2669#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 2734#(and (or (not (= i2 i1)) (= s2 (+ 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2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:27:19,574 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:27:19,574 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:27:19,574 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:19,574 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:27:21,137 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 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i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 7089#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 7093#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 7141#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:27:21,137 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:27:21,137 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:27:21,137 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:27:21,137 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:27:23,896 INFO L129 PetriNetUnfolder]: 6175/10075 cut-off events. [2021-03-24 15:27:23,896 INFO L130 PetriNetUnfolder]: For 1342775/1342938 co-relation queries the response was YES. [2021-03-24 15:27:24,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195011 conditions, 10075 events. 6175/10075 cut-off events. For 1342775/1342938 co-relation queries the response was YES. Maximal size of possible extension queue 806. Compared 71830 event pairs, 304 based on Foata normal form. 107/10147 useless extension candidates. Maximal degree in co-relation 194454. Up to 8040 conditions per place. [2021-03-24 15:27:24,249 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3129 selfloop transitions, 423 changer transitions 0/3564 dead transitions. [2021-03-24 15:27:24,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 3564 transitions, 123250 flow [2021-03-24 15:27:24,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-24 15:27:24,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-24 15:27:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 562 transitions. [2021-03-24 15:27:24,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7805555555555556 [2021-03-24 15:27:24,250 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 562 transitions. [2021-03-24 15:27:24,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 562 transitions. [2021-03-24 15:27:24,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:27:24,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 562 transitions. [2021-03-24 15:27:24,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 23.416666666666668) internal successors, (562), 24 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:24,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 30.0) internal successors, (750), 25 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:24,251 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 30.0) internal successors, (750), 25 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:24,251 INFO L185 Difference]: Start difference. First operand has 818 places, 3516 transitions, 112951 flow. Second operand 24 states and 562 transitions. [2021-03-24 15:27:24,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 841 places, 3564 transitions, 123250 flow [2021-03-24 15:27:33,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 825 places, 3564 transitions, 122159 flow, removed 309 selfloop flow, removed 16 redundant places. [2021-03-24 15:27:33,513 INFO L241 Difference]: Finished difference. Result has 831 places, 3564 transitions, 116279 flow [2021-03-24 15:27:33,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=111863, PETRI_DIFFERENCE_MINUEND_PLACES=802, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=384, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=116279, PETRI_PLACES=831, PETRI_TRANSITIONS=3564} [2021-03-24 15:27:33,514 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 800 predicate places. [2021-03-24 15:27:33,514 INFO L480 AbstractCegarLoop]: Abstraction has has 831 places, 3564 transitions, 116279 flow [2021-03-24 15:27:33,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:33,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:27:33,514 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:27:33,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable134 [2021-03-24 15:27:33,729 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:27:33,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:27:33,729 INFO L82 PathProgramCache]: Analyzing trace with hash -2004459327, now seen corresponding path program 22 times [2021-03-24 15:27:33,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:27:33,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033097452] [2021-03-24 15:27:33,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:27:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:27:33,737 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:27:33,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:33,743 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:27:33,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:27:33,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:33,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,762 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:27:33,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,780 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:27:33,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:33,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:33,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:27:33,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:27:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:33,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033097452] [2021-03-24 15:27:33,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263255552] [2021-03-24 15:27:33,845 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:27:33,868 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:27:33,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:27:33,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:27:33,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:27:33,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:33,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:33,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:33,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:33,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:33,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:33,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:33,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:33,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,876 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:27:33,876 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:27:33,876 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:27:33,877 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:27:33,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:33,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:33,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:27:33,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,890 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:27:33,890 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:27:33,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:33,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,906 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-24 15:27:33,907 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-24 15:27:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:33,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:33,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:33,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:33,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:27:33,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:27:33,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:27:33,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:27:33,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:27:33,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:27:33,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:27:33,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,952 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-03-24 15:27:33,952 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-24 15:27:33,953 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:27:33,953 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:27:33,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:33,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:33,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:33,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:33,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:33,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:33,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:27:33,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:33,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:27:33,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:33,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:33,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:27:33,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:33,989 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:27:33,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:33,990 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:27:33,990 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:27:33,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:27:33,991 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:27:34,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:27:34,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:27:34,003 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:27:34,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:27:34,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:27:34,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,030 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:27:34,030 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:27:34,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:34,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:27:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:27:34,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,032 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:27:34,032 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:34,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,034 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:27:34,034 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:27:34,035 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:27:34,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:34,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:34,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:34,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:27:34,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:27:34,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468693261] [2021-03-24 15:27:34,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:27:34,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:27:34,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:27:34,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:27:34,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:27:34,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 831 places, 3564 transitions, 116279 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:34,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:27:34,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:27:34,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:27:38,792 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 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2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) 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(and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:27:38,793 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:27:38,793 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:27:38,793 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:27:38,793 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:40,272 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 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i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:27:40,272 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:27:40,272 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:27:40,273 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:27:40,273 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:27:43,433 INFO L129 PetriNetUnfolder]: 6213/10127 cut-off events. [2021-03-24 15:27:43,433 INFO L130 PetriNetUnfolder]: For 1396773/1396857 co-relation queries the response was YES. [2021-03-24 15:27:43,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197699 conditions, 10127 events. 6213/10127 cut-off events. For 1396773/1396857 co-relation queries the response was YES. Maximal size of possible extension queue 807. Compared 72104 event pairs, 297 based on Foata normal form. 51/10136 useless extension candidates. Maximal degree in co-relation 197137. Up to 7790 conditions per place. [2021-03-24 15:27:44,040 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2772 selfloop transitions, 818 changer transitions 0/3602 dead transitions. [2021-03-24 15:27:44,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 859 places, 3602 transitions, 126084 flow [2021-03-24 15:27:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-24 15:27:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-24 15:27:44,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 689 transitions. [2021-03-24 15:27:44,042 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7919540229885057 [2021-03-24 15:27:44,042 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 689 transitions. [2021-03-24 15:27:44,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 689 transitions. [2021-03-24 15:27:44,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:27:44,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 689 transitions. [2021-03-24 15:27:44,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 23.75862068965517) internal successors, (689), 29 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:44,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 30.0) internal successors, (900), 30 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:44,043 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 30.0) internal successors, (900), 30 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:44,043 INFO L185 Difference]: Start difference. First operand has 831 places, 3564 transitions, 116279 flow. Second operand 29 states and 689 transitions. [2021-03-24 15:27:44,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 859 places, 3602 transitions, 126084 flow [2021-03-24 15:27:53,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 845 places, 3602 transitions, 124161 flow, removed 893 selfloop flow, removed 14 redundant places. [2021-03-24 15:27:53,405 INFO L241 Difference]: Finished difference. Result has 848 places, 3599 transitions, 118612 flow [2021-03-24 15:27:53,406 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=114356, PETRI_DIFFERENCE_MINUEND_PLACES=817, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=786, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2759, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=118612, PETRI_PLACES=848, PETRI_TRANSITIONS=3599} [2021-03-24 15:27:53,406 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 817 predicate places. [2021-03-24 15:27:53,406 INFO L480 AbstractCegarLoop]: Abstraction has has 848 places, 3599 transitions, 118612 flow [2021-03-24 15:27:53,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:53,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:27:53,406 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:27:53,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2021-03-24 15:27:53,621 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:27:53,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:27:53,621 INFO L82 PathProgramCache]: Analyzing trace with hash -823136593, now seen corresponding path program 23 times [2021-03-24 15:27:53,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:27:53,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784013025] [2021-03-24 15:27:53,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:27:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:27:53,629 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:27:53,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:53,635 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:27:53,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:27:53,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:53,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,653 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:27:53,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:27:53,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:27:53,718 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:27:53,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:53,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784013025] [2021-03-24 15:27:53,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461383002] [2021-03-24 15:27:53,732 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:27:53,755 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-24 15:27:53,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:27:53,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:27:53,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:27:53,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:53,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:53,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:53,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:53,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:53,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:53,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:53,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:27:53,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:27:53,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:27:53,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,777 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:27:53,778 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:27:53,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:27:53,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:27:53,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:53,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:53,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:53,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:53,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:27:53,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:27:53,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:27:53,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:27:53,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:27:53,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,843 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:27:53,843 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:27:53,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:27:53,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:27:53,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:53,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:27:53,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:53,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:53,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:27:53,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:27:53,876 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:27:53,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,878 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:27:53,878 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:27:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:27:53,879 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:27:53,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:27:53,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:27:53,891 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:27:53,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:27:53,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:27:53,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,917 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:27:53,918 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:27:53,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:53,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:27:53,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:27:53,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,919 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:27:53,920 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:27:53,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,921 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:27:53,922 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:27:53,922 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:27:53,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:27:53,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:27:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:27:53,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:27:53,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:27:53,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890495769] [2021-03-24 15:27:53,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:27:53,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:27:53,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:27:53,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:27:53,980 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:27:53,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 3599 transitions, 118612 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:27:53,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:27:53,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:27:53,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:27:58,582 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 7244#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7197#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), Black: 7150#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7151#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), 7252#true, Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (or (not (= i1 1)) (= t21 s2)) (= (select x i2) t22) (= (select x 1) s1)), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5660#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, Black: 6169#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 6170#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 6753#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6706#(and (or (not (= i2 i1)) (<= s2 (+ s1 t21))) (or (not (= i2 i1)) (<= (+ s1 t21) s2))), Black: 6707#(and (or (< s1 (+ s2 1)) (not (= i2 i1))) (or (not (= i2 i1)) (<= s2 s1))), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6760#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 590#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 157#true, 670#true, Black: 4720#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4708#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4773#(and (= 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t12) s1))), 3583#true]) [2021-03-24 15:27:58,582 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:27:58,582 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:27:58,582 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:27:58,582 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:27:59,823 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and 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(select x (+ s1 (* (select x 1) (- 1)) 1)) (select x i2))) (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (select x 1) s1)), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), Black: 6482#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 4020#true, Black: 6531#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 6484#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6523#(and (= s2 (+ (select x (+ s1 (* (select x 1) (- 1)) 1)) (select x i2))) (= (select x 1) s1)), 6584#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 7089#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 7093#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 7141#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:27:59,823 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:27:59,823 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:27:59,823 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:27:59,823 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:28:03,599 INFO L129 PetriNetUnfolder]: 6256/10248 cut-off events. [2021-03-24 15:28:03,599 INFO L130 PetriNetUnfolder]: For 1434461/1434545 co-relation queries the response was YES. [2021-03-24 15:28:03,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200787 conditions, 10248 events. 6256/10248 cut-off events. For 1434461/1434545 co-relation queries the response was YES. Maximal size of possible extension queue 818. Compared 73707 event pairs, 306 based on Foata normal form. 51/10261 useless extension candidates. Maximal degree in co-relation 200251. Up to 8098 conditions per place. [2021-03-24 15:28:03,936 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3126 selfloop transitions, 503 changer transitions 0/3641 dead transitions. [2021-03-24 15:28:03,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 873 places, 3641 transitions, 128882 flow [2021-03-24 15:28:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-24 15:28:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-24 15:28:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 613 transitions. [2021-03-24 15:28:03,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7858974358974359 [2021-03-24 15:28:03,938 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 613 transitions. [2021-03-24 15:28:03,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 613 transitions. [2021-03-24 15:28:03,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:28:03,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 613 transitions. [2021-03-24 15:28:03,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 23.576923076923077) internal successors, (613), 26 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:03,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 30.0) internal successors, (810), 27 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:03,939 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 30.0) internal successors, (810), 27 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:03,939 INFO L185 Difference]: Start difference. First operand has 848 places, 3599 transitions, 118612 flow. Second operand 26 states and 613 transitions. [2021-03-24 15:28:03,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 873 places, 3641 transitions, 128882 flow [2021-03-24 15:28:13,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 851 places, 3641 transitions, 125832 flow, removed 1144 selfloop flow, removed 22 redundant places. [2021-03-24 15:28:13,711 INFO L241 Difference]: Finished difference. Result has 855 places, 3639 transitions, 119757 flow [2021-03-24 15:28:13,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=115746, PETRI_DIFFERENCE_MINUEND_PLACES=826, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=469, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=119757, PETRI_PLACES=855, PETRI_TRANSITIONS=3639} [2021-03-24 15:28:13,712 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 824 predicate places. [2021-03-24 15:28:13,712 INFO L480 AbstractCegarLoop]: Abstraction has has 855 places, 3639 transitions, 119757 flow [2021-03-24 15:28:13,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:13,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:28:13,713 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:28:13,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:28:13,927 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:28:13,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:28:13,927 INFO L82 PathProgramCache]: Analyzing trace with hash -801899911, now seen corresponding path program 24 times [2021-03-24 15:28:13,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:28:13,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441695113] [2021-03-24 15:28:13,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:28:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:28:13,935 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:28:13,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:13,941 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:28:13,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:28:13,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:13,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:13,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:13,959 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:28:13,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:13,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:13,988 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:28:13,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:28:14,007 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:28:14,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:28:14,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:28:14,038 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:28:14,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:14,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441695113] [2021-03-24 15:28:14,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942019140] [2021-03-24 15:28:14,052 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:28:14,075 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-24 15:28:14,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:28:14,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:28:14,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:28:14,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:28:14,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:14,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:14,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:14,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:14,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:14,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:28:14,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:28:14,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:28:14,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:28:14,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:28:14,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:28:14,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:28:14,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:28:14,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:28:14,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:14,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:28:14,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:28:14,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:14,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:28:14,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:28:14,195 INFO L354 Elim1Store]: treesize reduction 10, result has 78.7 percent of original size [2021-03-24 15:28:14,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 49 [2021-03-24 15:28:14,195 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-03-24 15:28:14,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:28:14,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:28:14,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:28:14,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 15:28:14,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:28:14,215 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:41 [2021-03-24 15:28:14,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 15:28:14,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 15:28:14,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,246 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size 41 [2021-03-24 15:28:14,246 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size [2021-03-24 15:28:14,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:28:14,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:28:14,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:28:14,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,277 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size 42 [2021-03-24 15:28:14,277 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size [2021-03-24 15:28:14,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:14,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 15:28:14,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 15:28:14,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,279 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-24 15:28:14,279 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 15:28:14,280 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,280 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-24 15:28:14,280 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:28:14,281 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,281 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-24 15:28:14,281 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:28:14,282 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,283 INFO L147 QuantifierPusher]: treesize reduction 13, result has 86.3 percent of original size 82 [2021-03-24 15:28:14,283 INFO L142 QuantifierPusher]: treesize reduction 13, result has 86.3 percent of original size [2021-03-24 15:28:14,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-24 15:28:14,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:14,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:14,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:28:14,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-24 15:28:14,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299058484] [2021-03-24 15:28:14,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-24 15:28:14,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:28:14,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-24 15:28:14,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2021-03-24 15:28:14,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:28:14,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 855 places, 3639 transitions, 119757 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:14,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:28:14,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:28:14,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:28:18,606 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 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s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:28:18,606 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:28:18,606 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:28:18,606 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:28:18,606 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:28:20,097 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) 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s1))), 2627#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 7244#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) 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(not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:28:20,097 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:28:20,097 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:28:20,097 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:28:20,097 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:28:23,376 INFO L129 PetriNetUnfolder]: 6274/10261 cut-off events. [2021-03-24 15:28:23,376 INFO L130 PetriNetUnfolder]: For 1441175/1441259 co-relation queries the response was YES. [2021-03-24 15:28:23,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201842 conditions, 10261 events. 6274/10261 cut-off events. For 1441175/1441259 co-relation queries the response was YES. Maximal size of possible extension queue 823. Compared 73640 event pairs, 282 based on Foata normal form. 43/10264 useless extension candidates. Maximal degree in co-relation 201256. Up to 8237 conditions per place. [2021-03-24 15:28:23,722 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3366 selfloop transitions, 285 changer transitions 0/3663 dead transitions. [2021-03-24 15:28:23,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 881 places, 3663 transitions, 128904 flow [2021-03-24 15:28:23,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 15:28:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 15:28:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 617 transitions. [2021-03-24 15:28:23,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7617283950617284 [2021-03-24 15:28:23,723 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 617 transitions. [2021-03-24 15:28:23,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 617 transitions. [2021-03-24 15:28:23,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:28:23,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 617 transitions. [2021-03-24 15:28:23,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 22.85185185185185) internal successors, (617), 27 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:23,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:23,724 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:23,724 INFO L185 Difference]: Start difference. First operand has 855 places, 3639 transitions, 119757 flow. Second operand 27 states and 617 transitions. [2021-03-24 15:28:23,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 881 places, 3663 transitions, 128904 flow [2021-03-24 15:28:33,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 863 places, 3663 transitions, 127183 flow, removed 738 selfloop flow, removed 18 redundant places. [2021-03-24 15:28:33,729 INFO L241 Difference]: Finished difference. Result has 866 places, 3663 transitions, 120550 flow [2021-03-24 15:28:33,730 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=118082, PETRI_DIFFERENCE_MINUEND_PLACES=837, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3639, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=266, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=120550, PETRI_PLACES=866, PETRI_TRANSITIONS=3663} [2021-03-24 15:28:33,730 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 835 predicate places. [2021-03-24 15:28:33,730 INFO L480 AbstractCegarLoop]: Abstraction has has 866 places, 3663 transitions, 120550 flow [2021-03-24 15:28:33,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:33,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:28:33,730 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:28:33,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140,81 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:28:33,944 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:28:33,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:28:33,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1187055903, now seen corresponding path program 25 times [2021-03-24 15:28:33,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:28:33,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054282708] [2021-03-24 15:28:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:28:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:28:33,953 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:28:33,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:33,959 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:28:33,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:28:33,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:33,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:33,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:33,978 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:28:33,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:33,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:34,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,018 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:28:34,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:28:34,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:28:34,051 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:28:34,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:34,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054282708] [2021-03-24 15:28:34,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515994427] [2021-03-24 15:28:34,064 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:28:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:28:34,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:28:34,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:28:34,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:34,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:34,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:34,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:34,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:34,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:34,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:34,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:34,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:28:34,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:28:34,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:28:34,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:28:34,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:34,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:34,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:28:34,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:34,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:34,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:34,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:34,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:34,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:34,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:34,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:34,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:28:34,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:28:34,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:28:34,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:28:34,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:28:34,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:28:34,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:28:34,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:28:34,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:34,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:28:34,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:28:34,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:34,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:28:34,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:28:34,197 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:28:34,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:28:34,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:28:34,199 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:28:34,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:28:34,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:28:34,211 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:28:34,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:28:34,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:28:34,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,236 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:28:34,237 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:28:34,237 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:28:34,238 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:28:34,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:28:34,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:28:34,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,264 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:28:34,264 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:28:34,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:34,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:28:34,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:28:34,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,267 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:28:34,268 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:34,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,269 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-03-24 15:28:34,270 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-03-24 15:28:34,270 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-03-24 15:28:34,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 15:28:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:34,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:28:34,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:28:34,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605986510] [2021-03-24 15:28:34,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:28:34,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:28:34,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:28:34,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:28:34,328 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:28:34,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 866 places, 3663 transitions, 120550 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:34,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:28:34,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:28:34,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:28:39,303 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 7244#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7197#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), Black: 7150#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7151#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 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i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:28:39,303 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:28:39,303 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:28:39,303 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:28:39,303 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:28:40,795 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x 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event [2021-03-24 15:28:40,795 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:28:40,795 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:28:40,795 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:28:44,105 INFO L129 PetriNetUnfolder]: 6294/10291 cut-off events. [2021-03-24 15:28:44,105 INFO L130 PetriNetUnfolder]: For 1446087/1446173 co-relation queries the response was YES. [2021-03-24 15:28:44,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202211 conditions, 10291 events. 6294/10291 cut-off events. For 1446087/1446173 co-relation queries the response was YES. Maximal size of possible extension queue 825. Compared 73833 event pairs, 306 based on Foata normal form. 51/10301 useless extension candidates. Maximal degree in co-relation 201620. Up to 8197 conditions per place. [2021-03-24 15:28:44,732 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3236 selfloop transitions, 440 changer transitions 0/3688 dead transitions. [2021-03-24 15:28:44,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 890 places, 3688 transitions, 129612 flow [2021-03-24 15:28:44,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-24 15:28:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-24 15:28:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 588 transitions. [2021-03-24 15:28:44,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.784 [2021-03-24 15:28:44,733 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 588 transitions. [2021-03-24 15:28:44,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 588 transitions. [2021-03-24 15:28:44,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:28:44,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 588 transitions. [2021-03-24 15:28:44,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 23.52) internal successors, (588), 25 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:44,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 30.0) internal successors, (780), 26 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:44,735 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 30.0) internal successors, (780), 26 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:44,735 INFO L185 Difference]: Start difference. First operand has 866 places, 3663 transitions, 120550 flow. Second operand 25 states and 588 transitions. [2021-03-24 15:28:44,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 890 places, 3688 transitions, 129612 flow [2021-03-24 15:28:54,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 871 places, 3688 transitions, 128513 flow, removed 475 selfloop flow, removed 19 redundant places. [2021-03-24 15:28:54,528 INFO L241 Difference]: Finished difference. Result has 874 places, 3688 transitions, 122288 flow [2021-03-24 15:28:54,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=119451, PETRI_DIFFERENCE_MINUEND_PLACES=847, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3663, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=416, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=122288, PETRI_PLACES=874, PETRI_TRANSITIONS=3688} [2021-03-24 15:28:54,529 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 843 predicate places. [2021-03-24 15:28:54,529 INFO L480 AbstractCegarLoop]: Abstraction has has 874 places, 3688 transitions, 122288 flow [2021-03-24 15:28:54,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:54,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:28:54,530 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:28:54,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:28:54,744 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:28:54,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:28:54,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1231223103, now seen corresponding path program 26 times [2021-03-24 15:28:54,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:28:54,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233926907] [2021-03-24 15:28:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:28:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:28:54,767 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:28:54,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:54,773 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:28:54,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:28:54,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:54,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,792 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:28:54,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,821 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:28:54,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:28:54,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:28:54,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:28:54,868 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:28:54,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:54,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233926907] [2021-03-24 15:28:54,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584945445] [2021-03-24 15:28:54,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:28:54,907 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-24 15:28:54,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:28:54,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:28:54,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:28:54,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:54,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:54,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:54,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:54,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:54,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:54,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:54,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:28:54,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:28:54,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:28:54,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:54,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:54,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:28:54,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,947 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-24 15:28:54,948 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:28:54,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:54,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:54,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:28:54,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:54,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:54,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:54,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:28:54,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:28:54,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:54,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:28:54,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:28:54,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:54,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:28:54,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:28:54,994 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:28:54,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:28:54,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:54,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:28:54,995 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:28:55,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:28:55,009 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:28:55,009 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:28:55,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:28:55,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:28:55,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,036 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-24 15:28:55,037 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:28:55,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:28:55,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:28:55,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:28:55,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,063 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:28:55,064 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-24 15:28:55,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:28:55,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:28:55,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:28:55,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,090 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:28:55,090 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:28:55,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:55,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:28:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:28:55,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,092 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:28:55,092 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:28:55,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,095 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:28:55,095 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:28:55,096 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:28:55,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:28:55,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:28:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:28:55,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:28:55,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:28:55,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413084232] [2021-03-24 15:28:55,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:28:55,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:28:55,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:28:55,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:28:55,152 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:28:55,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 874 places, 3688 transitions, 122288 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:28:55,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:28:55,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:28:55,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:28:59,675 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][83], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 7637#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 7641#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 7594#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 7694#true, 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 7244#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7197#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), Black: 7150#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7151#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), 7252#true, Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (or (not (= i1 1)) (= t21 s2)) (= (select x i2) t22) (= (select x 1) s1)), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5660#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, Black: 6169#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 6170#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 6753#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6706#(and (or (not (= i2 i1)) (<= s2 (+ s1 t21))) (or (not (= i2 i1)) (<= (+ s1 t21) s2))), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6707#(and (or (< s1 (+ s2 1)) (not (= i2 i1))) (or (not (= i2 i1)) (<= s2 s1))), Black: 109#(<= i1 i2), Black: 6760#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or 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i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:28:59,675 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:28:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:28:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:28:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:29:01,079 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][83], [Black: 1475#(or (and (<= (+ s1 t21) s2) 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(select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 7531#(and (or (not (= 2 i1)) (= s1 (+ s2 t22))) (= 2 i2)), Black: 7486#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 7535#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), 7584#true, Black: 6003#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6007#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1904#(<= i1 (+ i2 1)), Black: 6042#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 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s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:29:01,079 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:29:01,079 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:29:01,079 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:29:01,079 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:29:04,752 INFO L129 PetriNetUnfolder]: 6298/10283 cut-off events. [2021-03-24 15:29:04,752 INFO L130 PetriNetUnfolder]: For 1455931/1455971 co-relation queries the response was YES. [2021-03-24 15:29:04,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203667 conditions, 10283 events. 6298/10283 cut-off events. For 1455931/1455971 co-relation queries the response was YES. Maximal size of possible extension queue 779. Compared 73395 event pairs, 344 based on Foata normal form. 23/10265 useless extension candidates. Maximal degree in co-relation 203072. Up to 8252 conditions per place. [2021-03-24 15:29:05,114 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3366 selfloop transitions, 320 changer transitions 0/3698 dead transitions. [2021-03-24 15:29:05,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 895 places, 3698 transitions, 130543 flow [2021-03-24 15:29:05,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 15:29:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 15:29:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 515 transitions. [2021-03-24 15:29:05,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7803030303030303 [2021-03-24 15:29:05,116 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 515 transitions. [2021-03-24 15:29:05,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 515 transitions. [2021-03-24 15:29:05,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:29:05,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 515 transitions. [2021-03-24 15:29:05,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.40909090909091) internal successors, (515), 22 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:05,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:05,118 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:05,118 INFO L185 Difference]: Start difference. First operand has 874 places, 3688 transitions, 122288 flow. Second operand 22 states and 515 transitions. [2021-03-24 15:29:05,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 895 places, 3698 transitions, 130543 flow [2021-03-24 15:29:14,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 877 places, 3698 transitions, 129306 flow, removed 496 selfloop flow, removed 18 redundant places. [2021-03-24 15:29:14,759 INFO L241 Difference]: Finished difference. Result has 879 places, 3698 transitions, 122623 flow [2021-03-24 15:29:14,760 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=121051, PETRI_DIFFERENCE_MINUEND_PLACES=856, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3688, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=122623, PETRI_PLACES=879, PETRI_TRANSITIONS=3698} [2021-03-24 15:29:14,760 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 848 predicate places. [2021-03-24 15:29:14,760 INFO L480 AbstractCegarLoop]: Abstraction has has 879 places, 3698 transitions, 122623 flow [2021-03-24 15:29:14,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:14,761 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:29:14,761 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:29:14,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable146 [2021-03-24 15:29:14,975 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:29:14,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:29:14,976 INFO L82 PathProgramCache]: Analyzing trace with hash -834608075, now seen corresponding path program 15 times [2021-03-24 15:29:14,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:29:14,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503995808] [2021-03-24 15:29:14,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:29:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:29:15,005 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:29:15,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:15,011 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:29:15,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:29:15,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:29:15,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,030 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:29:15,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,049 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:29:15,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:15,079 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:29:15,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:29:15,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:15,110 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:29:15,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:29:15,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503995808] [2021-03-24 15:29:15,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464903641] [2021-03-24 15:29:15,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:29:15,147 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-24 15:29:15,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:29:15,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-24 15:29:15,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:29:15,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:15,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:15,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:15,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 15:29:15,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:15,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:15,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:15,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 15:29:15,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:15,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:15,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:15,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:15,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:15,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:15,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:29:15,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:29:15,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:29:15,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:29:15,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:29:15,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:29:15,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:29:15,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:29:15,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:15,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:15,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:15,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:15,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:29:15,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:29:15,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:29:15,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:29:15,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 15:29:15,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:29:15,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:29:15,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:29:15,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 15:29:15,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:29:15,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:29:15,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 15:29:15,290 INFO L354 Elim1Store]: treesize reduction 10, result has 81.8 percent of original size [2021-03-24 15:29:15,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 37 treesize of output 65 [2021-03-24 15:29:15,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,305 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 15:29:15,306 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,307 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:29:15,308 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:29:15,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:29:15,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:29:15,310 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:29:15,311 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,312 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-24 15:29:15,312 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:29:15,313 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,313 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-24 15:29:15,314 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:29:15,331 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,332 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:29:15,333 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,334 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-24 15:29:15,334 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,335 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:29:15,335 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:29:15,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 15:29:15,338 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-24 15:29:15,338 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:29:15,339 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 15:29:15,393 INFO L147 QuantifierPusher]: treesize reduction 8, result has 92.2 percent of original size 94 [2021-03-24 15:29:15,394 INFO L147 QuantifierPusher]: treesize reduction 8, result has 92.8 percent of original size 103 [2021-03-24 15:29:15,395 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.8 percent of original size [2021-03-24 15:29:15,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-24 15:29:15,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:29:15,458 INFO L628 ElimStorePlain]: treesize reduction 49, result has 55.9 percent of original size [2021-03-24 15:29:15,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,463 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-24 15:29:15,463 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,464 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-03-24 15:29:15,471 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,473 INFO L147 QuantifierPusher]: treesize reduction 30, result has 66.3 percent of original size 59 [2021-03-24 15:29:15,474 INFO L147 QuantifierPusher]: treesize reduction 43, result has 63.9 percent of original size 76 [2021-03-24 15:29:15,475 INFO L147 QuantifierPusher]: treesize reduction 43, result has 66.4 percent of original size 85 [2021-03-24 15:29:15,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:29:15,475 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:128 [2021-03-24 15:29:15,488 INFO L142 QuantifierPusher]: treesize reduction 43, result has 66.4 percent of original size [2021-03-24 15:29:15,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-24 15:29:15,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-24 15:29:15,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 15:29:15,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 15:29:15,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 15:29:15,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,567 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:29:15,568 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:15,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,571 INFO L147 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size 45 [2021-03-24 15:29:15,572 INFO L147 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size 45 [2021-03-24 15:29:15,572 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-03-24 15:29:15,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 15:29:15,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:15,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:29:15,662 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:29:15,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:29:15,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:29:15,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414946863] [2021-03-24 15:29:15,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:29:15,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:29:15,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:29:15,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:29:15,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:29:15,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 879 places, 3698 transitions, 122623 flow. Second operand has 19 states, 19 states have (on average 19.05263157894737) internal successors, (362), 19 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:15,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:29:15,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:29:15,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:29:20,431 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 7637#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 7641#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 7594#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 7694#true, 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 7244#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7197#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7151#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), 7252#true, Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (or (not (= i1 1)) (= t21 s2)) (= (select x i2) t22) (= (select x 1) s1)), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5660#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), Black: 3692#(and (= (select x 1) s2) (= (select x i2) t12) (or (not (= i1 1)) (= t21 s1)) (= (select x 1) s1) (or (not (= i2 i1)) (= t12 t21))), 3698#true, Black: 7747#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6169#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 7751#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 6170#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7799#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= 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(= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:29:20,432 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:29:20,432 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:29:20,432 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:29:20,432 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:29:22,080 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= 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(<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2349#(and (= (select x 1) s2) (= (select x 1) s1)), Black: 2413#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1399#true, Black: 2318#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2415#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 6978#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), 2426#true, Black: 855#(and (= s1 0) (= s2 (+ s1 (select x i2))) (= i2 (+ s1 1))), Black: 6982#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 863#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 336#(and (= s2 s1) (= (select x i2) t12)), Black: 4938#(exists ((t12 Int)) (and (= (+ s2 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))) (+ s1 t12 (select x i2))) (= t12 (select x (+ s2 (* t12 (- 1)) (* (select x i2) (- 1)) 1))))), Black: 319#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 893#true, Black: 4895#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 382#true, 4990#true, Black: 2900#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2904#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 2857#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2951#true, Black: 5488#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5466#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 3410#(and (= i2 1) (= (select x i1) s1) (= (select x i2) t12) (= s2 0)), Black: 3384#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3433#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), Black: 3385#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3417#(and (= (select x 1) t12) (= (select x i1) s1) (= (select x i2) t22) (= 2 i2) (= s2 0)), 3479#true, Black: 7531#(and (or (not (= 2 i1)) (= s1 (+ s2 t22))) (= 2 i2)), Black: 7486#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 7535#(and (= 2 i2) (or (= s2 s1) (not (= 2 i1)))), 7584#true, Black: 6003#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6007#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 1904#(<= i1 (+ i2 1)), Black: 6042#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1897#(<= i1 i2), 1958#true, Black: 3969#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 3923#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3973#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 6577#(and (= s2 (+ (select x (+ s1 (* (select x 1) (- 1)) 1)) (select x i2))) (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (= (select x 1) s1)), Black: 3958#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), Black: 6482#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 4020#true, Black: 6531#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 6484#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6523#(and (= s2 (+ (select x (+ s1 (* (select x 1) (- 1)) 1)) (select x i2))) (= (select x 1) s1)), 6584#true, Black: 1433#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1405#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 931#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 927#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 961#true, Black: 419#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 388#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 451#true, Black: 4520#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 4524#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), 4566#true, Black: 2483#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2436#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2475#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 5043#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), 2527#true, Black: 5047#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5039#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 5090#true, Black: 7089#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 7093#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 7141#true, Black: 3008#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 3000#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1)) (= t12 s1)), 3050#true, Black: 5571#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:29:22,081 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:29:22,081 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:29:22,081 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:29:22,081 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:29:26,123 INFO L129 PetriNetUnfolder]: 6668/10932 cut-off events. [2021-03-24 15:29:26,123 INFO L130 PetriNetUnfolder]: For 1631223/1631307 co-relation queries the response was YES. [2021-03-24 15:29:26,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219960 conditions, 10932 events. 6668/10932 cut-off events. For 1631223/1631307 co-relation queries the response was YES. Maximal size of possible extension queue 869. Compared 79339 event pairs, 359 based on Foata normal form. 46/10938 useless extension candidates. Maximal degree in co-relation 219312. Up to 8329 conditions per place. [2021-03-24 15:29:26,503 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 2867 selfloop transitions, 1115 changer transitions 0/3994 dead transitions. [2021-03-24 15:29:26,503 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 909 places, 3994 transitions, 146423 flow [2021-03-24 15:29:26,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-24 15:29:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-24 15:29:26,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 732 transitions. [2021-03-24 15:29:26,504 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7870967741935484 [2021-03-24 15:29:26,504 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 732 transitions. [2021-03-24 15:29:26,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 732 transitions. [2021-03-24 15:29:26,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:29:26,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 732 transitions. [2021-03-24 15:29:26,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 23.612903225806452) internal successors, (732), 31 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:26,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 30.0) internal successors, (960), 32 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:26,506 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 30.0) internal successors, (960), 32 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:26,506 INFO L185 Difference]: Start difference. First operand has 879 places, 3698 transitions, 122623 flow. Second operand 31 states and 732 transitions. [2021-03-24 15:29:26,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 909 places, 3994 transitions, 146423 flow [2021-03-24 15:29:37,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 892 places, 3994 transitions, 145314 flow, removed 264 selfloop flow, removed 17 redundant places. [2021-03-24 15:29:37,483 INFO L241 Difference]: Finished difference. Result has 905 places, 3991 transitions, 141158 flow [2021-03-24 15:29:37,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=121514, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=874, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=141158, PETRI_PLACES=905, PETRI_TRANSITIONS=3991} [2021-03-24 15:29:37,484 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 874 predicate places. [2021-03-24 15:29:37,484 INFO L480 AbstractCegarLoop]: Abstraction has has 905 places, 3991 transitions, 141158 flow [2021-03-24 15:29:37,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.05263157894737) internal successors, (362), 19 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:37,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:29:37,485 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:29:37,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:29:37,699 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:29:37,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:29:37,699 INFO L82 PathProgramCache]: Analyzing trace with hash 725259911, now seen corresponding path program 27 times [2021-03-24 15:29:37,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:29:37,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560479411] [2021-03-24 15:29:37,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:29:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:29:37,708 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:29:37,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,714 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:29:37,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:29:37,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:29:37,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,734 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:29:37,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:29:37,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:37,874 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:29:37,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:29:37,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:37,907 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:29:37,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:29:37,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560479411] [2021-03-24 15:29:37,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862338255] [2021-03-24 15:29:37,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:29:37,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-24 15:29:37,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:29:37,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-24 15:29:37,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:29:37,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:37,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:37,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:37,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:37,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:37,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:37,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:37,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:37,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:29:37,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:37,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:37,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:37,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:37,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,977 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-03-24 15:29:37,977 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-24 15:29:37,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:29:37,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,995 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.3 percent of original size 20 [2021-03-24 15:29:37,996 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.0 percent of original size [2021-03-24 15:29:37,996 INFO L147 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size 17 [2021-03-24 15:29:37,996 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-24 15:29:37,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:29:37,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:37,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:29:38,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:29:38,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:29:38,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:29:38,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:29:38,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,030 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-03-24 15:29:38,030 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-03-24 15:29:38,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:38,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:38,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:38,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:38,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:38,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:38,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:38,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:38,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:29:38,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:29:38,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:29:38,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:29:38,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:29:38,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:29:38,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 15:29:38,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:29:38,086 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 51 [2021-03-24 15:29:38,087 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size [2021-03-24 15:29:38,088 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-03-24 15:29:38,088 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-03-24 15:29:38,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 15:29:38,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:29:38,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,104 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:29:38,105 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,105 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:29:38,106 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:29:38,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:38,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 15:29:38,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:38,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:29:38,108 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:12 [2021-03-24 15:29:38,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:38,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:38,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,128 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-03-24 15:29:38,128 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-24 15:29:38,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:38,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 15:29:38,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:38,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:38,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:38,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:38,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:38,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:38,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:38,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:29:38,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:38,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:38,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:38,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:29:38,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:29:38,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:29:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:29:38,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:29:38,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-24 15:29:38,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040288049] [2021-03-24 15:29:38,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-24 15:29:38,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:29:38,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-24 15:29:38,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2021-03-24 15:29:38,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:29:38,168 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 905 places, 3991 transitions, 141158 flow. Second operand has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:38,168 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:29:38,168 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:29:38,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:29:43,744 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 7637#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 7641#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 7594#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 7244#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7197#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7151#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), 7252#true, Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (or (not (= i1 1)) (= t21 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(= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:29:43,744 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:29:43,744 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:29:43,744 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:29:43,744 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:29:46,064 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 7637#(and (or (not (= i2 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2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:29:46,064 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:29:46,064 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:29:46,064 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:29:46,064 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:29:51,485 INFO L129 PetriNetUnfolder]: 6693/10982 cut-off events. [2021-03-24 15:29:51,485 INFO L130 PetriNetUnfolder]: For 1678789/1678875 co-relation queries the response was YES. [2021-03-24 15:29:51,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 226103 conditions, 10982 events. 6693/10982 cut-off events. For 1678789/1678875 co-relation queries the response was YES. Maximal size of possible extension queue 875. Compared 79835 event pairs, 308 based on Foata normal form. 51/10993 useless extension candidates. Maximal degree in co-relation 225424. Up to 8712 conditions per place. [2021-03-24 15:29:51,887 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3533 selfloop transitions, 496 changer transitions 0/4041 dead transitions. [2021-03-24 15:29:51,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 925 places, 4041 transitions, 151916 flow [2021-03-24 15:29:51,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-24 15:29:51,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-24 15:29:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 495 transitions. [2021-03-24 15:29:51,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7857142857142857 [2021-03-24 15:29:51,889 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 495 transitions. [2021-03-24 15:29:51,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 495 transitions. [2021-03-24 15:29:51,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:29:51,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 495 transitions. [2021-03-24 15:29:51,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 23.571428571428573) internal successors, (495), 21 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:51,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 30.0) internal successors, (660), 22 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:51,890 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 30.0) internal successors, (660), 22 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:29:51,890 INFO L185 Difference]: Start difference. First operand has 905 places, 3991 transitions, 141158 flow. Second operand 21 states and 495 transitions. [2021-03-24 15:29:51,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 925 places, 4041 transitions, 151916 flow [2021-03-24 15:30:04,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 909 places, 4041 transitions, 141443 flow, removed 5134 selfloop flow, removed 16 redundant places. [2021-03-24 15:30:04,895 INFO L241 Difference]: Finished difference. Result has 913 places, 4041 transitions, 134820 flow [2021-03-24 15:30:04,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=130691, PETRI_DIFFERENCE_MINUEND_PLACES=889, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3991, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=446, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=134820, PETRI_PLACES=913, PETRI_TRANSITIONS=4041} [2021-03-24 15:30:04,897 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 882 predicate places. [2021-03-24 15:30:04,897 INFO L480 AbstractCegarLoop]: Abstraction has has 913 places, 4041 transitions, 134820 flow [2021-03-24 15:30:04,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:04,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:30:04,897 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:30:05,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable161 [2021-03-24 15:30:05,113 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:30:05,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:30:05,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1306235657, now seen corresponding path program 28 times [2021-03-24 15:30:05,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:30:05,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564659208] [2021-03-24 15:30:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:30:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:30:05,142 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:30:05,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:05,165 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:30:05,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:30:05,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:05,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,200 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:30:05,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,218 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:30:05,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:30:05,267 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-24 15:30:05,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:05,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:30:05,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:30:05,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564659208] [2021-03-24 15:30:05,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030237020] [2021-03-24 15:30:05,315 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-24 15:30:05,353 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-24 15:30:05,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:30:05,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:30:05,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:30:05,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:05,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:05,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:05,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:05,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:30:05,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:05,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:05,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:05,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:05,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:05,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:05,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:05,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:05,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:05,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,376 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:30:05,376 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:30:05,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:05,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:05,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:05,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:05,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,408 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-24 15:30:05,409 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-24 15:30:05,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:30:05,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:30:05,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:30:05,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:30:05,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:30:05,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:30:05,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 15:30:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:05,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:05,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:05,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:05,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:30:05,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:05,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:05,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 15:30:05,457 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:30:05,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:30:05,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:30:05,459 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:30:05,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:30:05,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:30:05,473 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-03-24 15:30:05,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:30:05,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:30:05,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,499 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-24 15:30:05,500 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-24 15:30:05,500 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:30:05,501 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:30:05,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:05,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:05,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:05,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:05,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:05,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:05,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,528 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:30:05,529 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:30:05,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:05,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:30:05,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:30:05,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,530 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:30:05,531 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:05,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,533 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-03-24 15:30:05,533 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-03-24 15:30:05,534 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-24 15:30:05,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:05,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:30:05,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:30:05,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:30:05,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147478820] [2021-03-24 15:30:05,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:30:05,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:30:05,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:30:05,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:30:05,590 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:30:05,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 913 places, 4041 transitions, 134820 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:05,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:30:05,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:30:05,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:30:10,890 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 7637#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 7641#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 7594#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 7244#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7197#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7151#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 7252#true, Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (or (not (= i1 1)) (= t21 s2)) (= (select x i2) t22) (= (select x 1) s1)), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5660#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), 3698#true, Black: 7747#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6169#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 7751#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 6170#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7799#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 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(<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:30:10,890 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:30:10,890 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:30:10,890 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:30:10,890 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:30:12,933 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][87], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 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event [2021-03-24 15:30:12,933 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:30:12,933 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:30:12,933 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:30:17,530 INFO L129 PetriNetUnfolder]: 6748/11112 cut-off events. [2021-03-24 15:30:17,530 INFO L130 PetriNetUnfolder]: For 1571891/1571975 co-relation queries the response was YES. [2021-03-24 15:30:18,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 217873 conditions, 11112 events. 6748/11112 cut-off events. For 1571891/1571975 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 81432 event pairs, 274 based on Foata normal form. 51/11123 useless extension candidates. Maximal degree in co-relation 217271. Up to 8588 conditions per place. [2021-03-24 15:30:18,328 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3309 selfloop transitions, 779 changer transitions 0/4100 dead transitions. [2021-03-24 15:30:18,328 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 4100 transitions, 146055 flow [2021-03-24 15:30:18,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-24 15:30:18,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-24 15:30:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 635 transitions. [2021-03-24 15:30:18,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7839506172839507 [2021-03-24 15:30:18,331 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 635 transitions. [2021-03-24 15:30:18,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 635 transitions. [2021-03-24 15:30:18,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:30:18,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 635 transitions. [2021-03-24 15:30:18,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 23.51851851851852) internal successors, (635), 27 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:18,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:18,333 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 30.0) internal successors, (840), 28 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:18,333 INFO L185 Difference]: Start difference. First operand has 913 places, 4041 transitions, 134820 flow. Second operand 27 states and 635 transitions. [2021-03-24 15:30:18,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 4100 transitions, 146055 flow [2021-03-24 15:30:30,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 924 places, 4100 transitions, 144674 flow, removed 325 selfloop flow, removed 15 redundant places. [2021-03-24 15:30:30,243 INFO L241 Difference]: Finished difference. Result has 928 places, 4100 transitions, 138344 flow [2021-03-24 15:30:30,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=133455, PETRI_DIFFERENCE_MINUEND_PLACES=898, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4041, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=720, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=138344, PETRI_PLACES=928, PETRI_TRANSITIONS=4100} [2021-03-24 15:30:30,244 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 897 predicate places. [2021-03-24 15:30:30,244 INFO L480 AbstractCegarLoop]: Abstraction has has 928 places, 4100 transitions, 138344 flow [2021-03-24 15:30:30,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:30,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:30:30,245 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:30:30,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:30:30,459 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:30:30,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:30:30,459 INFO L82 PathProgramCache]: Analyzing trace with hash -2031229673, now seen corresponding path program 6 times [2021-03-24 15:30:30,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:30:30,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608175403] [2021-03-24 15:30:30,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:30:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:30:30,472 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:30:30,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:30,478 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:30:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:30:30,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:30,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,499 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:30:30,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:30:30,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:30,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:30:30,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:30,561 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-24 15:30:30,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:30,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:30:30,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608175403] [2021-03-24 15:30:30,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154381949] [2021-03-24 15:30:30,577 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:30:30,604 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-24 15:30:30,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:30:30,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:30:30,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:30:30,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:30,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:30,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:30,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:30,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:30,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:30,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:30,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:30,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:30,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:30,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:30,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:30,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:30,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,627 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-24 15:30:30,627 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 15:30:30,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:30,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:30,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:30,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:30,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:30,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:30,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:30,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:30,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:30,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:30,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,644 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-24 15:30:30,644 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-24 15:30:30,645 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-24 15:30:30,645 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-24 15:30:30,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:30,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:30,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:30,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:30,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:30,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:30,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,674 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-24 15:30:30,675 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-24 15:30:30,675 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:30:30,675 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:30:30,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:30,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:30:30,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,691 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-24 15:30:30,691 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-24 15:30:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:30:30,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:30:30,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:30:30,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:30,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:30,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:30,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:30,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:30,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:30:30,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:30,723 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-03-24 15:30:30,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,724 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:30:30,725 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:30:30,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:30,726 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:30:30,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:30,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:30:30,736 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-03-24 15:30:30,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:30,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:30,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,761 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:30:30,761 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:30:30,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:30,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:30:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:30:30,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,763 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:30:30,767 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:30,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:30:30,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:30,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:30:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:30:30,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:30:30,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:30:30,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226746574] [2021-03-24 15:30:30,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:30:30,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:30:30,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:30:30,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:30:30,848 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:30:30,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 4100 transitions, 138344 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:30,848 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:30:30,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:30:30,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:30:36,670 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 7637#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 7641#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 7594#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 7244#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7197#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7151#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), 7252#true, Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5722#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (or (not (= i1 1)) (= t21 s2)) (= (select x i2) t22) (= (select x 1) s1)), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5660#(and (= (select x 1) s2) (= (select x i2) t22) (= (select x 1) s1)), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), 3698#true, Black: 7747#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6169#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 7751#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 7799#true, Black: 6170#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, 2189#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 6753#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6706#(and (or (not (= i2 i1)) (<= s2 (+ s1 t21))) (or (not (= i2 i1)) (<= (+ s1 t21) s2))), Black: 6707#(and (or (< s1 (+ s2 1)) (not (= i2 i1))) (or (not (= i2 i1)) (<= s2 s1))), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6760#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod 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(+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:30:36,670 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:30:36,670 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:30:36,670 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:30:36,670 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:30:39,299 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 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2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:30:39,299 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:30:39,299 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:30:39,299 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:30:39,299 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:30:44,827 INFO L129 PetriNetUnfolder]: 6815/11229 cut-off events. [2021-03-24 15:30:44,827 INFO L130 PetriNetUnfolder]: For 1629018/1629181 co-relation queries the response was YES. [2021-03-24 15:30:45,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223355 conditions, 11229 events. 6815/11229 cut-off events. For 1629018/1629181 co-relation queries the response was YES. Maximal size of possible extension queue 895. Compared 82491 event pairs, 331 based on Foata normal form. 107/11294 useless extension candidates. Maximal degree in co-relation 222790. Up to 8910 conditions per place. [2021-03-24 15:30:45,251 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3798 selfloop transitions, 347 changer transitions 0/4157 dead transitions. [2021-03-24 15:30:45,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 4157 transitions, 151767 flow [2021-03-24 15:30:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-24 15:30:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-24 15:30:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 516 transitions. [2021-03-24 15:30:45,252 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7818181818181819 [2021-03-24 15:30:45,252 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 516 transitions. [2021-03-24 15:30:45,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 516 transitions. [2021-03-24 15:30:45,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:30:45,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 516 transitions. [2021-03-24 15:30:45,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.454545454545453) internal successors, (516), 22 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:45,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:45,253 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 30.0) internal successors, (690), 23 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:45,253 INFO L185 Difference]: Start difference. First operand has 928 places, 4100 transitions, 138344 flow. Second operand 22 states and 516 transitions. [2021-03-24 15:30:45,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 4157 transitions, 151767 flow [2021-03-24 15:30:57,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 923 places, 4157 transitions, 147577 flow, removed 1206 selfloop flow, removed 26 redundant places. [2021-03-24 15:30:57,241 INFO L241 Difference]: Finished difference. Result has 925 places, 4153 transitions, 139750 flow [2021-03-24 15:30:57,242 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=134154, PETRI_DIFFERENCE_MINUEND_PLACES=902, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3784, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=139750, PETRI_PLACES=925, PETRI_TRANSITIONS=4153} [2021-03-24 15:30:57,242 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 894 predicate places. [2021-03-24 15:30:57,243 INFO L480 AbstractCegarLoop]: Abstraction has has 925 places, 4153 transitions, 139750 flow [2021-03-24 15:30:57,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:57,243 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:30:57,243 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:30:57,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable166 [2021-03-24 15:30:57,456 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:30:57,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:30:57,456 INFO L82 PathProgramCache]: Analyzing trace with hash 94463365, now seen corresponding path program 18 times [2021-03-24 15:30:57,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:30:57,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211394689] [2021-03-24 15:30:57,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:30:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:30:57,464 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:30:57,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:57,471 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:30:57,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:30:57,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:57,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,491 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:30:57,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:30:57,520 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-24 15:30:57,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:30:57,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:57,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:30:57,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:30:57,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:30:57,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211394689] [2021-03-24 15:30:57,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712405371] [2021-03-24 15:30:57,581 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:30:57,604 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-24 15:30:57,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-24 15:30:57,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:30:57,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:30:57,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:57,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:57,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:57,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:57,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:57,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:57,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:57,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:30:57,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,612 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:30:57,612 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:30:57,613 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:30:57,613 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:30:57,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:30:57,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:30:57,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:57,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,629 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:30:57,629 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:30:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:30:57,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:30:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:57,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:57,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:57,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:57,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:57,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:57,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:30:57,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 15:30:57,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:57,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:57,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:30:57,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:57,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:57,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:30:57,703 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-03-24 15:30:57,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:30:57,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:30:57,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:30:57,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:30:57,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:30:57,719 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-03-24 15:30:57,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:30:57,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:30:57,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 15:30:57,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,748 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:30:57,748 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-24 15:30:57,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:30:57,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 15:30:57,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,774 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-03-24 15:30:57,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-24 15:30:57,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:57,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:57,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:30:57,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,800 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-24 15:30:57,801 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-24 15:30:57,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:57,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:30:57,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 15:30:57,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,802 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:30:57,803 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:30:57,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 15:30:57,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:30:57,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 15:30:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:30:57,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:30:57,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:30:57,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069699693] [2021-03-24 15:30:57,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:30:57,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:30:57,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:30:57,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:30:57,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:30:57,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 925 places, 4153 transitions, 139750 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:30:57,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:30:57,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:30:57,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:31:03,328 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][78], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 7637#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 7641#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 7594#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 15#L63true, Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 8208#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 8200#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 2627#true, 8259#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 7244#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7197#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7151#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), 7252#true, Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), 3698#true, Black: 7747#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 7751#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 6169#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 6170#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7799#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), 1172#true, 1684#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 6753#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6706#(and (or (not (= i2 i1)) (<= s2 (+ s1 t21))) (or (not (= i2 i1)) (<= (+ s1 t21) s2))), Black: 6707#(and (or (< s1 (+ s2 1)) (not (= i2 i1))) (or (not (= i2 i1)) (<= s2 s1))), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 590#(and (= 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[2021-03-24 15:31:03,328 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:31:03,328 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:31:03,328 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:31:03,329 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:31:05,554 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][78], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 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t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:31:05,554 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:31:05,554 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:31:05,554 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:31:05,555 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:31:10,055 INFO L129 PetriNetUnfolder]: 6836/11255 cut-off events. [2021-03-24 15:31:10,056 INFO L130 PetriNetUnfolder]: For 1650889/1651384 co-relation queries the response was YES. [2021-03-24 15:31:10,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222886 conditions, 11255 events. 6836/11255 cut-off events. For 1650889/1651384 co-relation queries the response was YES. Maximal size of possible extension queue 897. Compared 82661 event pairs, 299 based on Foata normal form. 146/11360 useless extension candidates. Maximal degree in co-relation 222322. Up to 8969 conditions per place. [2021-03-24 15:31:10,461 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3881 selfloop transitions, 281 changer transitions 0/4174 dead transitions. [2021-03-24 15:31:10,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 942 places, 4174 transitions, 150161 flow [2021-03-24 15:31:10,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-24 15:31:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-24 15:31:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 420 transitions. [2021-03-24 15:31:10,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2021-03-24 15:31:10,462 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 420 transitions. [2021-03-24 15:31:10,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 420 transitions. [2021-03-24 15:31:10,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:31:10,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 420 transitions. [2021-03-24 15:31:10,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.333333333333332) internal successors, (420), 18 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:10,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:10,463 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 30.0) internal successors, (570), 19 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:10,463 INFO L185 Difference]: Start difference. First operand has 925 places, 4153 transitions, 139750 flow. Second operand 18 states and 420 transitions. [2021-03-24 15:31:10,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 942 places, 4174 transitions, 150161 flow [2021-03-24 15:31:22,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 4174 transitions, 146698 flow, removed 1605 selfloop flow, removed 14 redundant places. [2021-03-24 15:31:22,874 INFO L241 Difference]: Finished difference. Result has 931 places, 4174 transitions, 139008 flow [2021-03-24 15:31:22,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=136643, PETRI_DIFFERENCE_MINUEND_PLACES=911, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=266, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3878, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=139008, PETRI_PLACES=931, PETRI_TRANSITIONS=4174} [2021-03-24 15:31:22,876 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 900 predicate places. [2021-03-24 15:31:22,876 INFO L480 AbstractCegarLoop]: Abstraction has has 931 places, 4174 transitions, 139008 flow [2021-03-24 15:31:22,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:22,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:31:22,876 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:31:23,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable168 [2021-03-24 15:31:23,090 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:31:23,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:31:23,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1468032545, now seen corresponding path program 7 times [2021-03-24 15:31:23,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:31:23,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486572326] [2021-03-24 15:31:23,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:31:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:31:23,113 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:31:23,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:23,120 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:31:23,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:23,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:31:23,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,153 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:31:23,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,172 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-24 15:31:23,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 15:31:23,215 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-24 15:31:23,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:31:23,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:31:23,261 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-24 15:31:23,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:31:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:31:23,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486572326] [2021-03-24 15:31:23,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523540702] [2021-03-24 15:31:23,277 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:31:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:31:23,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:31:23,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:31:23,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:23,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:23,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:23,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:23,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:23,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:23,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:23,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:23,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,309 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-24 15:31:23,309 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 15:31:23,309 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-24 15:31:23,310 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-24 15:31:23,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:23,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:23,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:31:23,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,324 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:31:23,324 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:31:23,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:23,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:23,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:23,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:23,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:23,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:23,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:23,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:23,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:23,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:23,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,342 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-24 15:31:23,343 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-24 15:31:23,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:31:23,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:31:23,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:31:23,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,358 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-24 15:31:23,358 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-24 15:31:23,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:23,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:23,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:23,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:23,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:23,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:23,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:23,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:23,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:23,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:23,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:31:23,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:23,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:23,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:31:23,426 INFO L354 Elim1Store]: treesize reduction 21, result has 57.1 percent of original size [2021-03-24 15:31:23,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 28 treesize of output 48 [2021-03-24 15:31:23,427 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-24 15:31:23,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:23,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:23,428 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-24 15:31:23,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:23,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-24 15:31:23,441 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:28 [2021-03-24 15:31:23,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:23,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 15:31:23,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 15:31:23,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,467 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-03-24 15:31:23,468 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 15:31:23,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:31:23,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 15:31:23,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,536 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-24 15:31:23,536 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-24 15:31:23,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:23,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:23,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 15:31:23,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,538 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-24 15:31:23,539 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:23,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 15:31:23,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:23,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 15:31:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:31:23,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-24 15:31:23,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-24 15:31:23,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448035624] [2021-03-24 15:31:23,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-24 15:31:23,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 15:31:23,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-24 15:31:23,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-03-24 15:31:23,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 30 [2021-03-24 15:31:23,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 931 places, 4174 transitions, 139008 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:23,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 15:31:23,612 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 30 [2021-03-24 15:31:23,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 15:31:29,068 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][86], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 7637#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 7641#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 7594#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6099#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 6110#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 4080#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 4072#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4125#true, Black: 6689#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 6593#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 6594#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6626#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 6634#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6638#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), 6697#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 4608#(and (= (select x 1) t12) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4619#(and (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (not (= i1 1)) (= (* 2 t12) s1))), Black: 2100#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2037#(<= i2 (+ i1 1)), Black: 4623#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 2038#(not (= i2 (+ i1 1))), 4666#true, Black: 2039#(not (= i2 i1)), Black: 8208#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2536#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 8200#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2537#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2627#true, 8259#true, Black: 525#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 527#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 587#true, Black: 1588#(and (= s2 s1) (= i1 1) (< 0 n)), Black: 1574#(and (= s2 s1) (= s1 0) (= t12 t21) (= i1 (+ s1 1)) (< s1 n)), Black: 1057#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 7201#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 7189#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 1543#(or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 1098#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 5125#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1) (= (select x i2) t12)), Black: 7244#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) s2) (or (not (= i2 1)) (= t12 s2)) (= (select x 1) s1) (= (select x i1) t11)), Black: 1544#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1037#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5190#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7197#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), 1617#true, Black: 5111#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t11)), 1106#true, Black: 3107#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (* 2 (div s2 2)) s1))))), Black: 5115#(and (= i1 1) (= (+ (select x i1) i1) (+ s1 1)) (= (+ s2 1) i1)), Black: 7151#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3059#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5148#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), 7252#true, Black: 3060#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5100#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3095#(and (= (select x 1) t12) (= (select x i2) s2) (= (select x 1) s1)), 3159#true, Black: 5668#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5625#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5675#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0)))) (or (= s2 s1) (not (= i2 i1)))), 5729#true, Black: 47#true, 102#true, Black: 3633#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 3637#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 3625#(and (= (select x 1) s2) (= (select x i2) t12) (= (select x 1) s1)), 3698#true, Black: 7747#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6169#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 7751#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) 2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 6170#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7799#true, 2179#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2119#(<= i2 i1), Black: 2183#(and (< (+ i2 1) n) (<= (+ i2 2) i1)), Black: 4182#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 2109#true, Black: 4135#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2189#true, Black: 4234#(and (= (select x 1) s2) (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= (+ (select x i1) (select x 1)) s1) (or (not (= i2 1)) (= t22 s2))), Black: 4171#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 4240#true, Black: 1651#(and (= i2 1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1655#(and (= i2 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1647#(and (= i2 0) (= (select x i1) s1) (= s2 0)), Black: 1112#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1684#true, 1172#true, Black: 592#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 593#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 625#(= s2 s1), Black: 661#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 6753#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 6706#(and (or (not (= i2 i1)) (<= s2 (+ s1 t21))) (or (not (= i2 i1)) (<= (+ s1 t21) s2))), Black: 6707#(and (or (< s1 (+ s2 1)) (not (= i2 i1))) (or (not (= i2 i1)) (<= s2 s1))), Black: 109#(<= i1 i2), Black: 653#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6760#(and (or 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2043#(<= i2 i1), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:31:29,069 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-24 15:31:29,069 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-24 15:31:29,069 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-24 15:31:29,069 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-24 15:31:31,057 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][86], [Black: 1475#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1476#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1538#true, Black: 995#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (= s2 0)), Black: 967#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 516#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1))) (= s2 (+ s1 (select x i2)))), Black: 987#(and (= s2 s1) (= s1 0) (= (select x i2) t22)), Black: 457#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1031#true, Black: 478#(and (= s1 0) (= s2 (+ s1 (select x i2)))), 521#true, 10#L49true, Black: 7637#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 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(not (= i2 i1)))), Black: 5567#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t22 s2))), Black: 2025#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2027#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1967#(<= i1 i2), Black: 3568#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), 2043#(<= i2 i1), Black: 3536#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), Black: 3488#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3572#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3528#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= s2 0) (or (not (= i1 1)) (= (* 2 t12) s1))), 3583#true]) [2021-03-24 15:31:31,057 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-24 15:31:31,057 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-24 15:31:31,057 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-24 15:31:31,057 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-24 15:31:35,548 INFO L129 PetriNetUnfolder]: 6880/11330 cut-off events. [2021-03-24 15:31:35,548 INFO L130 PetriNetUnfolder]: For 1666558/1666642 co-relation queries the response was YES. [2021-03-24 15:31:35,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223479 conditions, 11330 events. 6880/11330 cut-off events. For 1666558/1666642 co-relation queries the response was YES. Maximal size of possible extension queue 902. Compared 83288 event pairs, 326 based on Foata normal form. 51/11338 useless extension candidates. Maximal degree in co-relation 222911. Up to 8764 conditions per place. [2021-03-24 15:31:35,960 INFO L132 encePairwiseOnDemand]: 20/30 looper letters, 3452 selfloop transitions, 757 changer transitions 0/4221 dead transitions. [2021-03-24 15:31:35,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 958 places, 4221 transitions, 150789 flow [2021-03-24 15:31:35,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-24 15:31:35,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-24 15:31:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 663 transitions. [2021-03-24 15:31:35,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7892857142857143 [2021-03-24 15:31:35,962 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 663 transitions. [2021-03-24 15:31:35,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 663 transitions. [2021-03-24 15:31:35,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 15:31:35,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 663 transitions. [2021-03-24 15:31:35,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 23.678571428571427) internal successors, (663), 28 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:35,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 30.0) internal successors, (870), 29 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:35,963 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 30.0) internal successors, (870), 29 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:35,963 INFO L185 Difference]: Start difference. First operand has 931 places, 4174 transitions, 139008 flow. Second operand 28 states and 663 transitions. [2021-03-24 15:31:35,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 958 places, 4221 transitions, 150789 flow [2021-03-24 15:31:47,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 944 places, 4221 transitions, 149416 flow, removed 532 selfloop flow, removed 14 redundant places. [2021-03-24 15:31:47,786 INFO L241 Difference]: Finished difference. Result has 949 places, 4220 transitions, 142633 flow [2021-03-24 15:31:47,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=137635, PETRI_DIFFERENCE_MINUEND_PLACES=917, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=723, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=142633, PETRI_PLACES=949, PETRI_TRANSITIONS=4220} [2021-03-24 15:31:47,787 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 918 predicate places. [2021-03-24 15:31:47,787 INFO L480 AbstractCegarLoop]: Abstraction has has 949 places, 4220 transitions, 142633 flow [2021-03-24 15:31:47,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 15:31:47,788 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 15:31:47,788 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 15:31:48,002 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:31:48,002 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 15:31:48,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 15:31:48,002 INFO L82 PathProgramCache]: Analyzing trace with hash -234038313, now seen corresponding path program 19 times [2021-03-24 15:31:48,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 15:31:48,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066515682] [2021-03-24 15:31:48,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 15:31:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:31:48,014 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 15:31:48,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:48,020 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 15:31:48,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:48,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:31:48,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,039 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-03-24 15:31:48,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:48,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:48,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 15:31:48,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 15:31:48,110 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-24 15:31:48,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 15:31:48,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066515682] [2021-03-24 15:31:48,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138691827] [2021-03-24 15:31:48,123 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:31:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 15:31:48,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-24 15:31:48,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-24 15:31:48,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:48,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:48,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:48,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:48,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:48,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:48,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:48,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 15:31:48,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:48,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:48,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:48,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 15:31:48,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 15:31:48,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,170 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-24 15:31:48,170 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 15:31:48,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 15:31:48,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,188 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-03-24 15:31:48,189 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-24 15:31:48,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:31:48,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:31:48,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:31:48,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:31:48,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:31:48,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:31:48,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 15:31:48,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 15:31:48,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,225 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-24 15:31:48,225 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-24 15:31:48,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:48,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:48,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:48,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:48,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:48,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 15:31:48,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 15:31:48,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:48,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:31:48,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 15:31:48,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-24 15:31:48,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 15:31:48,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 15:31:48,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 Received shutdown request... [2021-03-24 15:31:48,261 WARN L222 SmtUtils]: Removed 3 from assertion stack [2021-03-24 15:31:48,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-24 15:31:48,475 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-24 15:31:48,477 WARN L224 ceAbstractionStarter]: Timeout [2021-03-24 15:31:48,478 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 03:31:48 BasicIcfg [2021-03-24 15:31:48,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 15:31:48,478 INFO L168 Benchmark]: Toolchain (without parser) took 841389.54 ms. Allocated memory was 308.3 MB in the beginning and 14.9 GB in the end (delta: 14.6 GB). Free memory was 287.9 MB in the beginning and 11.3 GB in the end (delta: -11.1 GB). Peak memory consumption was 3.6 GB. Max. memory is 16.0 GB. [2021-03-24 15:31:48,478 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 308.3 MB. Free memory is still 289.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 15:31:48,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.82 ms. Allocated memory is still 308.3 MB. Free memory was 287.9 MB in the beginning and 286.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 15:31:48,478 INFO L168 Benchmark]: Boogie Preprocessor took 12.06 ms. Allocated memory is still 308.3 MB. Free memory was 286.4 MB in the beginning and 285.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 15:31:48,478 INFO L168 Benchmark]: RCFGBuilder took 309.90 ms. Allocated memory is still 308.3 MB. Free memory was 285.3 MB in the beginning and 270.2 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-24 15:31:48,478 INFO L168 Benchmark]: TraceAbstraction took 841044.96 ms. Allocated memory was 308.3 MB in the beginning and 14.9 GB in the end (delta: 14.6 GB). Free memory was 269.8 MB in the beginning and 11.3 GB in the end (delta: -11.1 GB). Peak memory consumption was 3.6 GB. Max. memory is 16.0 GB. [2021-03-24 15:31:48,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 308.3 MB. Free memory is still 289.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 18.82 ms. Allocated memory is still 308.3 MB. Free memory was 287.9 MB in the beginning and 286.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.06 ms. Allocated memory is still 308.3 MB. Free memory was 286.4 MB in the beginning and 285.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 309.90 ms. Allocated memory is still 308.3 MB. Free memory was 285.3 MB in the beginning and 270.2 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 841044.96 ms. Allocated memory was 308.3 MB in the beginning and 14.9 GB in the end (delta: 14.6 GB). Free memory was 269.8 MB in the beginning and 11.3 GB in the end (delta: -11.1 GB). Peak memory consumption was 3.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.7ms, 32 PlacesBefore, 31 PlacesAfterwards, 23 TransitionsBefore, 22 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 192 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 41, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 41, unknown conditional: 0, unknown unconditional: 41] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 85). Cancelled while CegarLoopForPetriNet was analyzing trace of length 23 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 19 for 7ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 840947.9ms, OverallIterations: 90, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 792255.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 75.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 242 SDtfs, 1027 SDslu, 88 SDs, 0 SdLazy, 42929 SolverSat, 3947 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16444.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3088 GetRequests, 1077 SyntacticMatches, 79 SemanticMatches, 1932 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10256 ImplicationChecksByTransitivity, 39457.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=142633occurred in iteration=89, InterpolantAutomatonStates: 1649, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 418.2ms SsaConstructionTime, 1099.1ms SatisfiabilityAnalysisTime, 25714.6ms InterpolantComputationTime, 3654 NumberOfCodeBlocks, 3654 NumberOfCodeBlocksAsserted, 277 NumberOfCheckSat, 3477 ConstructedInterpolants, 3 QuantifiedInterpolants, 63276 SizeOfPredicates, 464 NumberOfNonLiveVariables, 7250 ConjunctsInSsa, 2235 ConjunctsInUnsatCore, 177 InterpolantComputations, 4 PerfectInterpolantSequences, 15/784 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown