/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 16:24:11,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 16:24:11,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 16:24:11,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 16:24:11,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 16:24:11,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 16:24:11,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 16:24:11,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 16:24:11,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 16:24:11,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 16:24:11,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 16:24:11,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 16:24:11,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 16:24:11,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 16:24:11,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 16:24:11,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 16:24:11,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 16:24:11,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 16:24:11,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 16:24:11,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 16:24:11,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 16:24:11,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 16:24:11,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 16:24:11,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 16:24:11,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-10 16:24:11,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 16:24:11,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 16:24:11,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 16:24:11,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 16:24:11,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 16:24:11,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 16:24:11,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 16:24:11,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 16:24:11,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 16:24:11,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 16:24:11,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 16:24:11,692 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-NoLbe.epf [2021-06-10 16:24:11,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 16:24:11,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 16:24:11,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 16:24:11,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 16:24:11,727 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 16:24:11,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 16:24:11,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 16:24:11,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 16:24:11,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 16:24:11,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 16:24:11,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 16:24:11,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 16:24:11,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 16:24:11,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 16:24:11,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 16:24:11,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 16:24:11,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 16:24:11,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 16:24:11,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 16:24:11,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 16:24:11,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 16:24:11,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 16:24:11,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 16:24:11,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 16:24:11,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 16:24:11,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 16:24:11,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 16:24:11,732 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-10 16:24:11,732 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 16:24:11,732 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 16:24:12,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 16:24:12,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 16:24:12,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 16:24:12,046 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-10 16:24:12,047 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-10 16:24:12,048 INFO L432 ainManager$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 [2021-06-10 16:24:12,048 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl' [2021-06-10 16:24:12,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 16:24:12,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-10 16:24:12,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 16:24:12,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 16:24:12,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 16:24:12,113 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 10.06 04:24:12" (1/1) ... [2021-06-10 16:24:12,122 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 10.06 04:24:12" (1/1) ... [2021-06-10 16:24:12,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 16:24:12,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 16:24:12,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 16:24:12,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 16:24:12,136 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 10.06 04:24:12" (1/1) ... [2021-06-10 16:24:12,137 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 10.06 04:24:12" (1/1) ... [2021-06-10 16:24:12,139 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 10.06 04:24:12" (1/1) ... [2021-06-10 16:24:12,139 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 10.06 04:24:12" (1/1) ... [2021-06-10 16:24:12,148 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 10.06 04:24:12" (1/1) ... [2021-06-10 16:24:12,151 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 10.06 04:24:12" (1/1) ... [2021-06-10 16:24:12,152 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 10.06 04:24:12" (1/1) ... [2021-06-10 16:24:12,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 16:24:12,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 16:24:12,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 16:24:12,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 16:24:12,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 04:24:12" (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 [2021-06-10 16:24:12,231 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-10 16:24:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-10 16:24:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-10 16:24:12,232 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-10 16:24:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-10 16:24:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-10 16:24:12,233 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-10 16:24:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 16:24:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 16:24:12,233 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-10 16:24:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-10 16:24:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-10 16:24:12,233 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-10 16:24:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-10 16:24:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-10 16:24:12,234 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 16:24:12,484 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 16:24:12,485 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-10 16:24:12,486 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-10 16:24:12,486 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-10 16:24:12,486 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-10 16:24:12,486 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-06-10 16:24:12,487 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 04:24:12 BoogieIcfgContainer [2021-06-10 16:24:12,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 16:24:12,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 16:24:12,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 16:24:12,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 16:24:12,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 04:24:12" (1/2) ... [2021-06-10 16:24:12,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9ed884 and model type parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 04:24:12, skipping insertion in model container [2021-06-10 16:24:12,492 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 10.06 04:24:12" (2/2) ... [2021-06-10 16:24:12,493 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1.wvr.bpl [2021-06-10 16:24:12,505 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 16:24:12,508 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-10 16:24:12,509 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 16:24:12,600 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-10 16:24:12,616 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-10 16:24:12,648 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 16:24:12,648 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 16:24:12,648 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 16:24:12,648 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 16:24:12,648 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 16:24:12,649 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 16:24:12,649 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 16:24:12,649 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 16:24:12,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 29 transitions, 90 flow [2021-06-10 16:24:12,693 INFO L129 PetriNetUnfolder]: 4/25 cut-off events. [2021-06-10 16:24:12,693 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-10 16:24:12,696 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. [2021-06-10 16:24:12,696 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 29 transitions, 90 flow [2021-06-10 16:24:12,701 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 23 transitions, 70 flow [2021-06-10 16:24:12,716 INFO L129 PetriNetUnfolder]: 4/22 cut-off events. [2021-06-10 16:24:12,716 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-10 16:24:12,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:12,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:12,717 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:12,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:12,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1965573951, now seen corresponding path program 1 times [2021-06-10 16:24:12,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:12,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271258581] [2021-06-10 16:24:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:12,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:12,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:12,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:12,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:12,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:12,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271258581] [2021-06-10 16:24:12,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 16:24:12,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 16:24:12,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131484088] [2021-06-10 16:24:12,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 16:24:12,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:12,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 16:24:12,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 16:24:12,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-06-10 16:24:12,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 70 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) [2021-06-10 16:24:12,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:12,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-06-10 16:24:12,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:12,933 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]) [2021-06-10 16:24:12,934 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-06-10 16:24:12,934 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:12,934 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:12,934 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:12,944 INFO L129 PetriNetUnfolder]: 19/54 cut-off events. [2021-06-10 16:24:12,945 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-06-10 16:24:12,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 54 events. 19/54 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. 1/42 useless extension candidates. Maximal degree in co-relation 72. Up to 22 conditions per place. [2021-06-10 16:24:12,949 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 5 selfloop transitions, 5 changer transitions 0/27 dead transitions. [2021-06-10 16:24:12,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 27 transitions, 98 flow [2021-06-10 16:24:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 16:24:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 16:24:12,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2021-06-10 16:24:12,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2021-06-10 16:24:12,961 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 77 transitions. [2021-06-10 16:24:12,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 77 transitions. [2021-06-10 16:24:12,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:12,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 77 transitions. [2021-06-10 16:24:12,967 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) [2021-06-10 16:24:12,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:12,973 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:12,975 INFO L185 Difference]: Start difference. First operand has 32 places, 23 transitions, 70 flow. Second operand 3 states and 77 transitions. [2021-06-10 16:24:12,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 27 transitions, 98 flow [2021-06-10 16:24:12,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 27 transitions, 82 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-06-10 16:24:12,982 INFO L241 Difference]: Finished difference. Result has 27 places, 27 transitions, 87 flow [2021-06-10 16:24:12,984 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=87, PETRI_PLACES=27, PETRI_TRANSITIONS=27} [2021-06-10 16:24:12,985 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -5 predicate places. [2021-06-10 16:24:12,985 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 27 transitions, 87 flow [2021-06-10 16:24:12,985 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) [2021-06-10 16:24:12,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:12,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:12,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-10 16:24:12,985 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:12,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:12,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2132819484, now seen corresponding path program 1 times [2021-06-10 16:24:12,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:12,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782523435] [2021-06-10 16:24:12,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:13,072 INFO L142 QuantifierPusher]: treesize reduction 20, result has 25.9 percent of original size [2021-06-10 16:24:13,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:13,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 16:24:13,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:13,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782523435] [2021-06-10 16:24:13,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141305705] [2021-06-10 16:24:13,090 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 [2021-06-10 16:24:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:13,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-10 16:24:13,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:13,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:13,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:13,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:13,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:13,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:13,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:13,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:13,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:13,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:13,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:13,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,229 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-06-10 16:24:13,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:13,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:13,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:13,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:13,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-10 16:24:13,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-06-10 16:24:13,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463259263] [2021-06-10 16:24:13,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 16:24:13,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:13,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 16:24:13,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-10 16:24:13,235 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-06-10 16:24:13,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 27 transitions, 87 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) [2021-06-10 16:24:13,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:13,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-06-10 16:24:13,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:13,296 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][21], [17#L24true, 21#L79true, 54#(<= i2 i1), 42#true, 10#L49true, Black: 44#(= s2 s1), 15#L63true, 31#L37true]) [2021-06-10 16:24:13,296 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:24:13,296 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:13,296 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:13,296 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:13,297 INFO L382 tUnfolder$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]) [2021-06-10 16:24:13,297 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:24:13,297 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:13,297 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:13,297 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:13,300 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][21], [17#L24true, 21#L79true, 54#(<= i2 i1), 10#L49true, 42#true, Black: 44#(= s2 s1), 31#L37true, 15#L63true]) [2021-06-10 16:24:13,300 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:24:13,300 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:24:13,300 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:13,300 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:13,300 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:13,303 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][20], [17#L24true, 21#L79true, 24#L50true, 42#true, Black: 44#(= s2 s1), 15#L63true, 47#true, 31#L37true]) [2021-06-10 16:24:13,303 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-06-10 16:24:13,303 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:13,303 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:24:13,303 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:13,307 INFO L382 tUnfolder$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]) [2021-06-10 16:24:13,307 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-06-10 16:24:13,307 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:13,307 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:24:13,307 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:13,311 INFO L129 PetriNetUnfolder]: 248/431 cut-off events. [2021-06-10 16:24:13,311 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-10 16:24:13,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 809 conditions, 431 events. 248/431 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1833 event pairs, 17 based on Foata normal form. 1/401 useless extension candidates. Maximal degree in co-relation 752. Up to 160 conditions per place. [2021-06-10 16:24:13,320 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 7 selfloop transitions, 8 changer transitions 0/36 dead transitions. [2021-06-10 16:24:13,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 36 transitions, 137 flow [2021-06-10 16:24:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 16:24:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 16:24:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-06-10 16:24:13,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.896551724137931 [2021-06-10 16:24:13,322 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-06-10 16:24:13,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-06-10 16:24:13,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:13,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-06-10 16:24:13,324 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) [2021-06-10 16:24:13,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:13,325 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:13,325 INFO L185 Difference]: Start difference. First operand has 27 places, 27 transitions, 87 flow. Second operand 4 states and 104 transitions. [2021-06-10 16:24:13,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 36 transitions, 137 flow [2021-06-10 16:24:13,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 36 transitions, 132 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 16:24:13,328 INFO L241 Difference]: Finished difference. Result has 32 places, 34 transitions, 142 flow [2021-06-10 16:24:13,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=142, PETRI_PLACES=32, PETRI_TRANSITIONS=34} [2021-06-10 16:24:13,328 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 0 predicate places. [2021-06-10 16:24:13,328 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 34 transitions, 142 flow [2021-06-10 16:24:13,329 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) [2021-06-10 16:24:13,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:13,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:13,541 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-06-10 16:24:13,541 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:13,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:13,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1733088060, now seen corresponding path program 1 times [2021-06-10 16:24:13,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:13,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394382465] [2021-06-10 16:24:13,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:13,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 16:24:13,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:13,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394382465] [2021-06-10 16:24:13,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144640020] [2021-06-10 16:24:13,605 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 [2021-06-10 16:24:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:13,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-10 16:24:13,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:13,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:13,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:13,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:13,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:13,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:13,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:13,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:13,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:13,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:13,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:13,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:13,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:13,800 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-06-10 16:24:13,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:13,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:13,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:13,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:13,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:13,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-10 16:24:13,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-06-10 16:24:13,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792449617] [2021-06-10 16:24:13,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 16:24:13,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:13,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 16:24:13,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-10 16:24:13,804 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-06-10 16:24:13,804 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 34 transitions, 142 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) [2021-06-10 16:24:13,804 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:13,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-06-10 16:24:13,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:13,887 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][21], [17#L24true, 21#L79true, 54#(<= i2 i1), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, 10#L49true, Black: 44#(= s2 s1), 31#L37true, 15#L63true]) [2021-06-10 16:24:13,888 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:13,888 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:13,888 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:13,888 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:13,888 INFO L382 tUnfolder$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), Black: 76#(<= (+ i2 1) i1), 24#L50true, Black: 47#true, 105#true, Black: 44#(= s2 s1), 31#L37true]) [2021-06-10 16:24:13,888 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:13,888 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:13,888 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:13,888 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:13,896 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][21], [17#L24true, 21#L79true, 54#(<= i2 i1), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, 10#L49true, Black: 44#(= s2 s1), 15#L63true, 31#L37true]) [2021-06-10 16:24:13,897 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:13,897 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:13,897 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:13,897 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:13,897 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:13,901 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][27], [17#L24true, 21#L79true, Black: 54#(<= i2 i1), Black: 76#(<= (+ i2 1) i1), 24#L50true, 105#true, Black: 44#(= s2 s1), 47#true, 31#L37true, 15#L63true]) [2021-06-10 16:24:13,901 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:24:13,901 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:13,901 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:13,901 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:24:13,912 INFO L129 PetriNetUnfolder]: 365/605 cut-off events. [2021-06-10 16:24:13,912 INFO L130 PetriNetUnfolder]: For 261/305 co-relation queries the response was YES. [2021-06-10 16:24:13,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1502 conditions, 605 events. 365/605 cut-off events. For 261/305 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 2623 event pairs, 29 based on Foata normal form. 7/559 useless extension candidates. Maximal degree in co-relation 1431. Up to 231 conditions per place. [2021-06-10 16:24:13,924 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 13 selfloop transitions, 13 changer transitions 0/47 dead transitions. [2021-06-10 16:24:13,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 47 transitions, 258 flow [2021-06-10 16:24:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 16:24:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 16:24:13,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-06-10 16:24:13,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.896551724137931 [2021-06-10 16:24:13,930 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-06-10 16:24:13,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-06-10 16:24:13,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:13,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-06-10 16:24:13,932 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) [2021-06-10 16:24:13,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:13,933 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:13,933 INFO L185 Difference]: Start difference. First operand has 32 places, 34 transitions, 142 flow. Second operand 4 states and 104 transitions. [2021-06-10 16:24:13,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 47 transitions, 258 flow [2021-06-10 16:24:13,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 47 transitions, 258 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 16:24:13,936 INFO L241 Difference]: Finished difference. Result has 38 places, 45 transitions, 270 flow [2021-06-10 16:24:13,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=270, PETRI_PLACES=38, PETRI_TRANSITIONS=45} [2021-06-10 16:24:13,937 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 6 predicate places. [2021-06-10 16:24:13,937 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 45 transitions, 270 flow [2021-06-10 16:24:13,937 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) [2021-06-10 16:24:13,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:13,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:14,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:14,160 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:14,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:14,161 INFO L82 PathProgramCache]: Analyzing trace with hash -34634187, now seen corresponding path program 1 times [2021-06-10 16:24:14,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:14,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619519214] [2021-06-10 16:24:14,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:14,206 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:14,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:14,211 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-06-10 16:24:14,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:14,219 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-10 16:24:14,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:14,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:14,242 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:14,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:14,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619519214] [2021-06-10 16:24:14,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464843654] [2021-06-10 16:24:14,257 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 [2021-06-10 16:24:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:14,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-10 16:24:14,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:14,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:14,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:14,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:14,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:14,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:14,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:14,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:14,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:14,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:14,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:14,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:14,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:14,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,356 INFO L147 QuantifierPusher]: treesize reduction 6, result has 70.0 percent of original size 14 [2021-06-10 16:24:14,356 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-06-10 16:24:14,357 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-06-10 16:24:14,358 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-06-10 16:24:14,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:14,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:14,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:14,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:14,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:14,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:14,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:14,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:14,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:14,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:14,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:14,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:14,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:14,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:14,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:14,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:14,433 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,434 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 [2021-06-10 16:24:14,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:14,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:14,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:14,446 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:14,447 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:14,447 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:12 [2021-06-10 16:24:14,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:14,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:14,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:14,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:14,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:14,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:14,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,546 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:14,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:14,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:14,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:14,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:14,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:14,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:14,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:14,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:14,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-10 16:24:14,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87893156] [2021-06-10 16:24:14,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-10 16:24:14,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:14,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-10 16:24:14,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-06-10 16:24:14,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:14,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 45 transitions, 270 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) [2021-06-10 16:24:14,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:14,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:14,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:14,862 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][29], [Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, 10#L49true, Black: 44#(= s2 s1), 15#L63true, 17#L24true, 18#L36true, 21#L79true, 54#(<= i2 i1)]) [2021-06-10 16:24:14,862 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:14,862 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:14,862 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:14,862 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:14,876 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][29], [Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, 10#L49true, Black: 44#(= s2 s1), 15#L63true, 18#L36true, 21#L79true, 54#(<= i2 i1), 29#L23true]) [2021-06-10 16:24:14,877 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:14,877 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:14,877 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 16:24:14,877 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:14,902 INFO L129 PetriNetUnfolder]: 599/962 cut-off events. [2021-06-10 16:24:14,902 INFO L130 PetriNetUnfolder]: For 1326/1401 co-relation queries the response was YES. [2021-06-10 16:24:14,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3177 conditions, 962 events. 599/962 cut-off events. For 1326/1401 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4429 event pairs, 14 based on Foata normal form. 19/970 useless extension candidates. Maximal degree in co-relation 3063. Up to 692 conditions per place. [2021-06-10 16:24:14,915 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 45 selfloop transitions, 71 changer transitions 0/129 dead transitions. [2021-06-10 16:24:14,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 129 transitions, 1044 flow [2021-06-10 16:24:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-10 16:24:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-10 16:24:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 241 transitions. [2021-06-10 16:24:14,918 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8310344827586207 [2021-06-10 16:24:14,918 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 241 transitions. [2021-06-10 16:24:14,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 241 transitions. [2021-06-10 16:24:14,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:14,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 241 transitions. [2021-06-10 16:24:14,919 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) [2021-06-10 16:24:14,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:14,922 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:14,922 INFO L185 Difference]: Start difference. First operand has 38 places, 45 transitions, 270 flow. Second operand 10 states and 241 transitions. [2021-06-10 16:24:14,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 129 transitions, 1044 flow [2021-06-10 16:24:14,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 129 transitions, 1022 flow, removed 11 selfloop flow, removed 0 redundant places. [2021-06-10 16:24:14,936 INFO L241 Difference]: Finished difference. Result has 53 places, 111 transitions, 924 flow [2021-06-10 16:24:14,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=924, PETRI_PLACES=53, PETRI_TRANSITIONS=111} [2021-06-10 16:24:14,936 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 21 predicate places. [2021-06-10 16:24:14,936 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 111 transitions, 924 flow [2021-06-10 16:24:14,936 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) [2021-06-10 16:24:14,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:14,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:15,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:15,153 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:15,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:15,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1806595849, now seen corresponding path program 1 times [2021-06-10 16:24:15,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:15,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912060245] [2021-06-10 16:24:15,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:15,215 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:15,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,221 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-06-10 16:24:15,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:15,235 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-10 16:24:15,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:15,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:15,260 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:15,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:15,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912060245] [2021-06-10 16:24:15,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857455049] [2021-06-10 16:24:15,274 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 [2021-06-10 16:24:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:15,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-10 16:24:15,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:15,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:15,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:15,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:15,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:15,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:15,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:15,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:15,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:15,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:15,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:15,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:15,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:15,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:15,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:15,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:15,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:15,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:15,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:15,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:15,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:15,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:15,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,409 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,409 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 [2021-06-10 16:24:15,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,411 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-06-10 16:24:15,412 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-10 16:24:15,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:15,413 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:15,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:15,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-10 16:24:15,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:10 [2021-06-10 16:24:15,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:15,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:15,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:15,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:15,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:15,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:15,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,486 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:15,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:15,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:15,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:15,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:15,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:15,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:15,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-10 16:24:15,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959718085] [2021-06-10 16:24:15,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-10 16:24:15,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:15,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-10 16:24:15,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-10 16:24:15,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:15,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 111 transitions, 924 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) [2021-06-10 16:24:15,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:15,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:15,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:15,707 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][29], [Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, 10#L49true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 44#(= s2 s1), 15#L63true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 17#L24true, Black: 235#(and (= (select x i1) s1) (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), 18#L36true, 243#true, 21#L79true, 54#(<= i2 i1)]) [2021-06-10 16:24:15,707 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:15,707 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:15,707 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:15,707 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:15,722 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][29], [Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, 10#L49true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 44#(= s2 s1), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), 15#L63true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 235#(and (= (select x i1) s1) (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), 18#L36true, 243#true, 21#L79true, 54#(<= i2 i1), 29#L23true]) [2021-06-10 16:24:15,722 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:15,722 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:15,722 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 16:24:15,722 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:15,742 INFO L129 PetriNetUnfolder]: 635/1035 cut-off events. [2021-06-10 16:24:15,743 INFO L130 PetriNetUnfolder]: For 2521/2669 co-relation queries the response was YES. [2021-06-10 16:24:15,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4348 conditions, 1035 events. 635/1035 cut-off events. For 2521/2669 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 4963 event pairs, 14 based on Foata normal form. 25/1051 useless extension candidates. Maximal degree in co-relation 4211. Up to 738 conditions per place. [2021-06-10 16:24:15,755 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 56 selfloop transitions, 81 changer transitions 0/150 dead transitions. [2021-06-10 16:24:15,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 150 transitions, 1561 flow [2021-06-10 16:24:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-10 16:24:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-10 16:24:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 241 transitions. [2021-06-10 16:24:15,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8310344827586207 [2021-06-10 16:24:15,757 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 241 transitions. [2021-06-10 16:24:15,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 241 transitions. [2021-06-10 16:24:15,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:15,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 241 transitions. [2021-06-10 16:24:15,758 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) [2021-06-10 16:24:15,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:15,759 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:15,759 INFO L185 Difference]: Start difference. First operand has 53 places, 111 transitions, 924 flow. Second operand 10 states and 241 transitions. [2021-06-10 16:24:15,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 150 transitions, 1561 flow [2021-06-10 16:24:15,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 150 transitions, 1496 flow, removed 26 selfloop flow, removed 1 redundant places. [2021-06-10 16:24:15,776 INFO L241 Difference]: Finished difference. Result has 64 places, 136 transitions, 1334 flow [2021-06-10 16:24:15,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1334, PETRI_PLACES=64, PETRI_TRANSITIONS=136} [2021-06-10 16:24:15,777 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 32 predicate places. [2021-06-10 16:24:15,777 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 136 transitions, 1334 flow [2021-06-10 16:24:15,777 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) [2021-06-10 16:24:15,777 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:15,777 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:15,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:15,990 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:15,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:15,991 INFO L82 PathProgramCache]: Analyzing trace with hash -328708003, now seen corresponding path program 2 times [2021-06-10 16:24:15,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:15,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022757136] [2021-06-10 16:24:15,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:16,045 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:16,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,051 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-06-10 16:24:16,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,062 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:16,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:16,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:16,095 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:16,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:16,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022757136] [2021-06-10 16:24:16,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113734315] [2021-06-10 16:24:16,106 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) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:16,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:24:16,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:16,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-10 16:24:16,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:16,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:16,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:16,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:16,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:16,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:16,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:16,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:16,212 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,212 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 [2021-06-10 16:24:16,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:16,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:16,217 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:16,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:16,234 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:16,234 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-06-10 16:24:16,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:16,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:16,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,254 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-10 16:24:16,255 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-10 16:24:16,256 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-10 16:24:16,256 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-10 16:24:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,273 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:24:16,273 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-10 16:24:16,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:16,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:16,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:16,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,317 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:16,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:16,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:16,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:16,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:16,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:16,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-10 16:24:16,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939988113] [2021-06-10 16:24:16,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-10 16:24:16,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:16,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-10 16:24:16,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-10 16:24:16,331 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:16,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 136 transitions, 1334 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) [2021-06-10 16:24:16,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:16,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:16,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:16,545 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: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, 10#L49true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 44#(= s2 s1), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 184#(and (= (select x i1) s1) (= s2 0)), 15#L63true, Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 17#L24true, Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 235#(and (= (select x i1) s1) (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), 18#L36true, 243#true, 21#L79true, Black: 308#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:16,545 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:16,545 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:16,545 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:16,545 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:16,565 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][34], [Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, 10#L49true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 44#(= s2 s1), Black: 184#(and (= (select x i1) s1) (= s2 0)), 15#L63true, Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 235#(and (= (select x i1) s1) (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), 18#L36true, 243#true, 21#L79true, Black: 308#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, 29#L23true]) [2021-06-10 16:24:16,566 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:16,566 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 16:24:16,566 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:16,566 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:16,587 INFO L129 PetriNetUnfolder]: 683/1117 cut-off events. [2021-06-10 16:24:16,587 INFO L130 PetriNetUnfolder]: For 4091/4231 co-relation queries the response was YES. [2021-06-10 16:24:16,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5438 conditions, 1117 events. 683/1117 cut-off events. For 4091/4231 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5435 event pairs, 11 based on Foata normal form. 41/1149 useless extension candidates. Maximal degree in co-relation 5286. Up to 830 conditions per place. [2021-06-10 16:24:16,601 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 102 selfloop transitions, 62 changer transitions 0/177 dead transitions. [2021-06-10 16:24:16,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 177 transitions, 2100 flow [2021-06-10 16:24:16,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 16:24:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 16:24:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-06-10 16:24:16,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2021-06-10 16:24:16,603 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-06-10 16:24:16,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-06-10 16:24:16,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:16,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-06-10 16:24:16,604 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) [2021-06-10 16:24:16,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:16,604 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:16,604 INFO L185 Difference]: Start difference. First operand has 64 places, 136 transitions, 1334 flow. Second operand 9 states and 217 transitions. [2021-06-10 16:24:16,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 177 transitions, 2100 flow [2021-06-10 16:24:16,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 177 transitions, 1929 flow, removed 26 selfloop flow, removed 6 redundant places. [2021-06-10 16:24:16,625 INFO L241 Difference]: Finished difference. Result has 69 places, 170 transitions, 1721 flow [2021-06-10 16:24:16,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1176, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1721, PETRI_PLACES=69, PETRI_TRANSITIONS=170} [2021-06-10 16:24:16,625 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 37 predicate places. [2021-06-10 16:24:16,625 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 170 transitions, 1721 flow [2021-06-10 16:24:16,626 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) [2021-06-10 16:24:16,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:16,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:16,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-10 16:24:16,848 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:16,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:16,848 INFO L82 PathProgramCache]: Analyzing trace with hash -2080479777, now seen corresponding path program 3 times [2021-06-10 16:24:16,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:16,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207527623] [2021-06-10 16:24:16,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:16,871 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:16,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,876 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-06-10 16:24:16,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:16,889 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:16,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:16,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:16,928 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:16,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:16,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:16,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:16,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207527623] [2021-06-10 16:24:16,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466088222] [2021-06-10 16:24:16,942 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 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 [2021-06-10 16:24:16,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-10 16:24:16,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:16,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-10 16:24:16,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:16,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:16,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:16,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:17,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:17,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:17,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:17,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:17,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:17,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:17,042 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,042 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 [2021-06-10 16:24:17,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:17,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:17,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:17,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:17,054 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-06-10 16:24:17,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:17,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:17,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,121 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:24:17,122 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-10 16:24:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:17,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,142 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:17,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:17,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:17,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:17,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:17,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:17,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:17,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-10 16:24:17,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300342214] [2021-06-10 16:24:17,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-10 16:24:17,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:17,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-10 16:24:17,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-10 16:24:17,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:17,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 170 transitions, 1721 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) [2021-06-10 16:24:17,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:17,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:17,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:17,371 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: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 388#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 44#(= s2 s1), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 235#(and (= (select x i1) s1) (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 308#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:17,372 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:17,372 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:17,372 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:17,372 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:17,393 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][30], [Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 388#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 44#(= s2 s1), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 235#(and (= (select x i1) s1) (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), 54#(<= i2 i1), Black: 308#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:17,393 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:17,393 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 16:24:17,393 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:17,393 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:17,415 INFO L129 PetriNetUnfolder]: 713/1175 cut-off events. [2021-06-10 16:24:17,415 INFO L130 PetriNetUnfolder]: For 4851/4944 co-relation queries the response was YES. [2021-06-10 16:24:17,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6065 conditions, 1175 events. 713/1175 cut-off events. For 4851/4944 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 5869 event pairs, 12 based on Foata normal form. 28/1194 useless extension candidates. Maximal degree in co-relation 5899. Up to 870 conditions per place. [2021-06-10 16:24:17,431 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 121 selfloop transitions, 63 changer transitions 0/197 dead transitions. [2021-06-10 16:24:17,431 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 197 transitions, 2400 flow [2021-06-10 16:24:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 16:24:17,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 16:24:17,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-06-10 16:24:17,432 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2021-06-10 16:24:17,432 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-06-10 16:24:17,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-06-10 16:24:17,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:17,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-06-10 16:24:17,433 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) [2021-06-10 16:24:17,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:17,434 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:17,434 INFO L185 Difference]: Start difference. First operand has 69 places, 170 transitions, 1721 flow. Second operand 9 states and 217 transitions. [2021-06-10 16:24:17,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 197 transitions, 2400 flow [2021-06-10 16:24:17,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 197 transitions, 2214 flow, removed 74 selfloop flow, removed 3 redundant places. [2021-06-10 16:24:17,456 INFO L241 Difference]: Finished difference. Result has 76 places, 190 transitions, 1957 flow [2021-06-10 16:24:17,457 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1537, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1957, PETRI_PLACES=76, PETRI_TRANSITIONS=190} [2021-06-10 16:24:17,457 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 44 predicate places. [2021-06-10 16:24:17,457 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 190 transitions, 1957 flow [2021-06-10 16:24:17,457 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) [2021-06-10 16:24:17,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:17,457 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:17,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:17,673 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:17,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:17,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1722808823, now seen corresponding path program 2 times [2021-06-10 16:24:17,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:17,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203037410] [2021-06-10 16:24:17,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:17,702 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:17,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,707 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-06-10 16:24:17,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,714 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:17,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:17,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:17,740 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:17,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:17,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203037410] [2021-06-10 16:24:17,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328178707] [2021-06-10 16:24:17,751 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 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 [2021-06-10 16:24:17,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:24:17,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:17,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-10 16:24:17,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:17,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:17,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:17,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:17,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:17,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:17,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:17,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:17,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:17,867 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,868 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 [2021-06-10 16:24:17,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:17,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:17,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:17,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:17,877 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:17,877 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-06-10 16:24:17,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:17,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:17,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:17,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,895 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-10 16:24:17,895 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-10 16:24:17,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:17,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:17,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:17,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:17,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,939 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:17,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:17,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:17,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:17,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:17,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:17,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:17,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:17,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:17,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-10 16:24:17,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681179098] [2021-06-10 16:24:17,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-10 16:24:17,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:17,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-10 16:24:17,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-10 16:24:17,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:17,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 190 transitions, 1957 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) [2021-06-10 16:24:17,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:17,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:17,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:18,149 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: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 388#true, 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 44#(= s2 s1), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 235#(and (= (select x i1) s1) (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 308#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:18,149 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:18,149 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:18,149 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:18,150 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:18,186 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][30], [Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 388#true, 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, 18#L36true, 21#L79true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 44#(= s2 s1), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 235#(and (= (select x i1) s1) (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 308#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:18,186 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:18,186 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:18,186 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:18,186 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 16:24:18,209 INFO L129 PetriNetUnfolder]: 752/1245 cut-off events. [2021-06-10 16:24:18,209 INFO L130 PetriNetUnfolder]: For 5835/5928 co-relation queries the response was YES. [2021-06-10 16:24:18,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6817 conditions, 1245 events. 752/1245 cut-off events. For 5835/5928 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 6311 event pairs, 11 based on Foata normal form. 28/1263 useless extension candidates. Maximal degree in co-relation 6640. Up to 922 conditions per place. [2021-06-10 16:24:18,225 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 142 selfloop transitions, 66 changer transitions 0/221 dead transitions. [2021-06-10 16:24:18,225 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 221 transitions, 2762 flow [2021-06-10 16:24:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 16:24:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 16:24:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-06-10 16:24:18,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2021-06-10 16:24:18,227 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-06-10 16:24:18,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-06-10 16:24:18,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:18,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-06-10 16:24:18,228 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) [2021-06-10 16:24:18,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:18,228 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:18,228 INFO L185 Difference]: Start difference. First operand has 76 places, 190 transitions, 1957 flow. Second operand 9 states and 217 transitions. [2021-06-10 16:24:18,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 221 transitions, 2762 flow [2021-06-10 16:24:18,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 221 transitions, 2545 flow, removed 45 selfloop flow, removed 7 redundant places. [2021-06-10 16:24:18,252 INFO L241 Difference]: Finished difference. Result has 80 places, 218 transitions, 2301 flow [2021-06-10 16:24:18,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1748, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2301, PETRI_PLACES=80, PETRI_TRANSITIONS=218} [2021-06-10 16:24:18,253 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 48 predicate places. [2021-06-10 16:24:18,253 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 218 transitions, 2301 flow [2021-06-10 16:24:18,253 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) [2021-06-10 16:24:18,253 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:18,253 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:18,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:18,476 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:18,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:18,476 INFO L82 PathProgramCache]: Analyzing trace with hash -336504283, now seen corresponding path program 3 times [2021-06-10 16:24:18,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:18,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314922154] [2021-06-10 16:24:18,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:18,516 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:18,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:18,521 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-06-10 16:24:18,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,528 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:18,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:18,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:18,553 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:18,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:18,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314922154] [2021-06-10 16:24:18,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705709576] [2021-06-10 16:24:18,564 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 [2021-06-10 16:24:18,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-10 16:24:18,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:18,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-10 16:24:18,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:18,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:18,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:18,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:18,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:18,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:18,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:18,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:18,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:18,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:18,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:18,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:18,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:18,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:18,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:18,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:18,654 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,654 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 [2021-06-10 16:24:18,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:18,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:18,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:18,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:18,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:18,663 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-06-10 16:24:18,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:18,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:18,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:18,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:18,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,695 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:24:18,695 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-10 16:24:18,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:18,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:18,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:18,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,726 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:18,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:18,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:18,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:18,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:18,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:18,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:18,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:18,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:18,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-10 16:24:18,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645161812] [2021-06-10 16:24:18,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-10 16:24:18,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:18,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-10 16:24:18,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-10 16:24:18,739 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:18,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 218 transitions, 2301 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) [2021-06-10 16:24:18,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:18,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:18,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:18,956 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], [Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 537#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 44#(= s2 s1), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 308#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:18,956 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:18,956 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:18,956 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:18,956 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:18,980 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][26], [Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 537#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 44#(= s2 s1), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 54#(<= i2 i1), Black: 308#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:18,981 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:18,981 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:18,981 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:18,981 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 16:24:19,008 INFO L129 PetriNetUnfolder]: 773/1287 cut-off events. [2021-06-10 16:24:19,008 INFO L130 PetriNetUnfolder]: For 7231/7324 co-relation queries the response was YES. [2021-06-10 16:24:19,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7452 conditions, 1287 events. 773/1287 cut-off events. For 7231/7324 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 6660 event pairs, 11 based on Foata normal form. 28/1305 useless extension candidates. Maximal degree in co-relation 7267. Up to 950 conditions per place. [2021-06-10 16:24:19,033 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 156 selfloop transitions, 67 changer transitions 0/236 dead transitions. [2021-06-10 16:24:19,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 236 transitions, 3003 flow [2021-06-10 16:24:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 16:24:19,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 16:24:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-06-10 16:24:19,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2021-06-10 16:24:19,034 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-06-10 16:24:19,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-06-10 16:24:19,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:19,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-06-10 16:24:19,035 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) [2021-06-10 16:24:19,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:19,036 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:19,036 INFO L185 Difference]: Start difference. First operand has 80 places, 218 transitions, 2301 flow. Second operand 9 states and 217 transitions. [2021-06-10 16:24:19,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 236 transitions, 3003 flow [2021-06-10 16:24:19,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 236 transitions, 2792 flow, removed 97 selfloop flow, removed 2 redundant places. [2021-06-10 16:24:19,069 INFO L241 Difference]: Finished difference. Result has 88 places, 233 transitions, 2495 flow [2021-06-10 16:24:19,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=2090, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2495, PETRI_PLACES=88, PETRI_TRANSITIONS=233} [2021-06-10 16:24:19,070 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 56 predicate places. [2021-06-10 16:24:19,070 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 233 transitions, 2495 flow [2021-06-10 16:24:19,070 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) [2021-06-10 16:24:19,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:19,070 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:19,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-10 16:24:19,292 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:19,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:19,292 INFO L82 PathProgramCache]: Analyzing trace with hash -175532741, now seen corresponding path program 1 times [2021-06-10 16:24:19,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:19,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720903242] [2021-06-10 16:24:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:19,346 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:24:19,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:19,353 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-10 16:24:19,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:19,361 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-06-10 16:24:19,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:19,372 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-06-10 16:24:19,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:19,382 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-06-10 16:24:19,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:19,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720903242] [2021-06-10 16:24:19,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95195674] [2021-06-10 16:24:19,393 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 [2021-06-10 16:24:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:19,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-10 16:24:19,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:19,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:19,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:19,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:19,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:19,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:19,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:19,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:19,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:19,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:19,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:19,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:19,474 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,474 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 [2021-06-10 16:24:19,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:19,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:19,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:19,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:19,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:19,483 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:12 [2021-06-10 16:24:19,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:19,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:19,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,497 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-10 16:24:19,498 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-06-10 16:24:19,498 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-06-10 16:24:19,499 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-10 16:24:19,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:19,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:19,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:19,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:19,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:19,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:19,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,551 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:19,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:19,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:19,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:19,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:19,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:19,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:19,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:19,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:19,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-10 16:24:19,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116266232] [2021-06-10 16:24:19,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-10 16:24:19,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:19,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-10 16:24:19,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-10 16:24:19,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:19,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 233 transitions, 2495 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) [2021-06-10 16:24:19,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:19,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:19,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:19,794 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: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 537#true, Black: 112#(<= i1 i2), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 125#(<= (+ i1 1) i2), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 163#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 44#(= s2 s1), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 308#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:19,794 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:19,794 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:19,794 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:19,794 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:19,821 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][34], [Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 537#true, 29#L23true, Black: 112#(<= i1 i2), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 125#(<= (+ i1 1) i2), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 163#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 44#(= s2 s1), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 308#(and (= (+ s2 (select x i1)) s1) (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:19,821 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:19,821 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:19,821 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-06-10 16:24:19,821 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:19,846 INFO L129 PetriNetUnfolder]: 821/1369 cut-off events. [2021-06-10 16:24:19,846 INFO L130 PetriNetUnfolder]: For 8689/8806 co-relation queries the response was YES. [2021-06-10 16:24:19,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8364 conditions, 1369 events. 821/1369 cut-off events. For 8689/8806 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 7198 event pairs, 17 based on Foata normal form. 37/1397 useless extension candidates. Maximal degree in co-relation 8164. Up to 1012 conditions per place. [2021-06-10 16:24:19,865 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 179 selfloop transitions, 79 changer transitions 0/271 dead transitions. [2021-06-10 16:24:19,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 271 transitions, 3570 flow [2021-06-10 16:24:19,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-10 16:24:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-10 16:24:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 239 transitions. [2021-06-10 16:24:19,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8241379310344827 [2021-06-10 16:24:19,866 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 239 transitions. [2021-06-10 16:24:19,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 239 transitions. [2021-06-10 16:24:19,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:19,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 239 transitions. [2021-06-10 16:24:19,867 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) [2021-06-10 16:24:19,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:19,868 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:19,868 INFO L185 Difference]: Start difference. First operand has 88 places, 233 transitions, 2495 flow. Second operand 10 states and 239 transitions. [2021-06-10 16:24:19,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 271 transitions, 3570 flow [2021-06-10 16:24:19,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 271 transitions, 3271 flow, removed 73 selfloop flow, removed 7 redundant places. [2021-06-10 16:24:19,900 INFO L241 Difference]: Finished difference. Result has 93 places, 268 transitions, 2950 flow [2021-06-10 16:24:19,900 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=2222, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2950, PETRI_PLACES=93, PETRI_TRANSITIONS=268} [2021-06-10 16:24:19,901 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 61 predicate places. [2021-06-10 16:24:19,901 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 268 transitions, 2950 flow [2021-06-10 16:24:19,901 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) [2021-06-10 16:24:19,901 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:19,901 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:20,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:20,124 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:20,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:20,124 INFO L82 PathProgramCache]: Analyzing trace with hash 513128173, now seen corresponding path program 2 times [2021-06-10 16:24:20,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:20,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077797844] [2021-06-10 16:24:20,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:20,148 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:24:20,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,154 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-10 16:24:20,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:20,162 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-06-10 16:24:20,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:20,173 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-06-10 16:24:20,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:20,184 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-06-10 16:24:20,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:20,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:20,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077797844] [2021-06-10 16:24:20,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939254071] [2021-06-10 16:24:20,195 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 [2021-06-10 16:24:20,227 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:24:20,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:20,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-10 16:24:20,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:20,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:20,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:20,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:20,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:20,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:20,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:20,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:20,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:20,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:20,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:20,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:20,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:20,274 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,275 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 [2021-06-10 16:24:20,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:20,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:20,276 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:20,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:20,285 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:20,285 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:20 [2021-06-10 16:24:20,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:20,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:20,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,302 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-06-10 16:24:20,303 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-06-10 16:24:20,303 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-06-10 16:24:20,304 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-10 16:24:20,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:20,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:20,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,320 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.5 percent of original size 23 [2021-06-10 16:24:20,321 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.3 percent of original size [2021-06-10 16:24:20,322 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:24:20,322 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-06-10 16:24:20,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:20,360 INFO L142 QuantifierPusher]: treesize reduction 18, result has 5.3 percent of original size [2021-06-10 16:24:20,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:20,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:20,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:20,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:20,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:20,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:20,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:20,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-10 16:24:20,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901610478] [2021-06-10 16:24:20,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 16:24:20,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:20,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 16:24:20,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-06-10 16:24:20,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:20,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 268 transitions, 2950 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) [2021-06-10 16:24:20,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:20,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:20,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:20,856 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: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 112#(<= i1 i2), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 125#(<= (+ i1 1) i2), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, 163#true, Black: 76#(<= (+ i2 1) i1), Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 47#true, Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 105#true, Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 44#(= s2 s1), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:20,856 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:20,856 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:20,856 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:20,856 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:20,884 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][30], [Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 29#L23true, Black: 112#(<= i1 i2), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 125#(<= (+ i1 1) i2), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 163#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 47#true, Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 105#true, Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 44#(= s2 s1), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:20,885 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:20,885 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:20,885 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:20,885 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:20,912 INFO L129 PetriNetUnfolder]: 854/1430 cut-off events. [2021-06-10 16:24:20,912 INFO L130 PetriNetUnfolder]: For 10015/10104 co-relation queries the response was YES. [2021-06-10 16:24:20,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9079 conditions, 1430 events. 854/1430 cut-off events. For 10015/10104 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 7590 event pairs, 12 based on Foata normal form. 42/1462 useless extension candidates. Maximal degree in co-relation 8870. Up to 1080 conditions per place. [2021-06-10 16:24:20,931 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 207 selfloop transitions, 130 changer transitions 0/350 dead transitions. [2021-06-10 16:24:20,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 350 transitions, 4865 flow [2021-06-10 16:24:20,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-10 16:24:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-10 16:24:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 412 transitions. [2021-06-10 16:24:20,933 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.789272030651341 [2021-06-10 16:24:20,934 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 412 transitions. [2021-06-10 16:24:20,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 412 transitions. [2021-06-10 16:24:20,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:20,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 412 transitions. [2021-06-10 16:24:20,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 22.88888888888889) internal successors, (412), 18 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:20,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:20,936 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:20,936 INFO L185 Difference]: Start difference. First operand has 93 places, 268 transitions, 2950 flow. Second operand 18 states and 412 transitions. [2021-06-10 16:24:20,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 350 transitions, 4865 flow [2021-06-10 16:24:20,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 350 transitions, 4585 flow, removed 140 selfloop flow, removed 0 redundant places. [2021-06-10 16:24:20,984 INFO L241 Difference]: Finished difference. Result has 117 places, 349 transitions, 4343 flow [2021-06-10 16:24:20,984 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=2682, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4343, PETRI_PLACES=117, PETRI_TRANSITIONS=349} [2021-06-10 16:24:20,984 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 85 predicate places. [2021-06-10 16:24:20,984 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 349 transitions, 4343 flow [2021-06-10 16:24:20,985 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) [2021-06-10 16:24:20,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:20,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:21,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:21,201 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:21,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:21,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1847199925, now seen corresponding path program 1 times [2021-06-10 16:24:21,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:21,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065288843] [2021-06-10 16:24:21,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:21,232 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:21,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,238 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-06-10 16:24:21,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:21,245 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-10 16:24:21,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:21,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:21,265 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:21,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:21,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065288843] [2021-06-10 16:24:21,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650092129] [2021-06-10 16:24:21,278 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 [2021-06-10 16:24:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:21,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-10 16:24:21,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:21,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:21,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:21,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:21,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:21,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:21,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,340 INFO L147 QuantifierPusher]: treesize reduction 6, result has 70.0 percent of original size 14 [2021-06-10 16:24:21,340 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-06-10 16:24:21,341 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-06-10 16:24:21,341 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-06-10 16:24:21,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:21,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:21,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:21,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:21,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:21,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:21,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:21,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:21,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:21,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:21,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:21,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:21,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:21,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:21,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:21,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:21,372 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,372 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 [2021-06-10 16:24:21,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:21,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:21,374 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:21,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:21,380 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:21,380 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:12 [2021-06-10 16:24:21,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:21,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:21,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,394 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:24:21,395 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-10 16:24:21,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:21,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:21,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:21,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,424 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:21,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:21,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:21,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:21,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:21,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:21,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:21,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:21,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:21,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-10 16:24:21,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174956389] [2021-06-10 16:24:21,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-10 16:24:21,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:21,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-10 16:24:21,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-06-10 16:24:21,435 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:21,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 349 transitions, 4343 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) [2021-06-10 16:24:21,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:21,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:21,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:21,721 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 760#(and (= s2 s1) (= s1 0) (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s1 i1) (or (not (= i2 i1)) (= t12 t21))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 112#(<= i1 i2), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 125#(<= (+ i1 1) i2), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 163#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 47#true, Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 105#true, Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 44#(= s2 s1), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:21,722 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:21,722 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:21,722 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:21,722 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:21,758 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 760#(and (= s2 s1) (= s1 0) (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s1 i1) (or (not (= i2 i1)) (= t12 t21))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 29#L23true, Black: 112#(<= i1 i2), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 125#(<= (+ i1 1) i2), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, 163#true, Black: 76#(<= (+ i2 1) i1), Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 47#true, Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 105#true, Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 229#(and (= s1 0) (= s2 i2) (= s1 i2)), Black: 231#(and (= s1 0) (= s2 i2) (= s1 i2) (= (select x i1) t11)), Black: 44#(= s2 s1), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:21,759 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:21,759 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:21,759 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:21,759 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:21,788 INFO L129 PetriNetUnfolder]: 941/1582 cut-off events. [2021-06-10 16:24:21,788 INFO L130 PetriNetUnfolder]: For 12663/12803 co-relation queries the response was YES. [2021-06-10 16:24:21,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10705 conditions, 1582 events. 941/1582 cut-off events. For 12663/12803 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 8686 event pairs, 14 based on Foata normal form. 27/1599 useless extension candidates. Maximal degree in co-relation 10474. Up to 1138 conditions per place. [2021-06-10 16:24:21,813 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 238 selfloop transitions, 144 changer transitions 0/395 dead transitions. [2021-06-10 16:24:21,813 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 395 transitions, 5971 flow [2021-06-10 16:24:21,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-10 16:24:21,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-10 16:24:21,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 241 transitions. [2021-06-10 16:24:21,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8310344827586207 [2021-06-10 16:24:21,815 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 241 transitions. [2021-06-10 16:24:21,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 241 transitions. [2021-06-10 16:24:21,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:21,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 241 transitions. [2021-06-10 16:24:21,816 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) [2021-06-10 16:24:21,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:21,816 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 29.0) internal successors, (319), 11 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:21,816 INFO L185 Difference]: Start difference. First operand has 117 places, 349 transitions, 4343 flow. Second operand 10 states and 241 transitions. [2021-06-10 16:24:21,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 395 transitions, 5971 flow [2021-06-10 16:24:21,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 395 transitions, 5257 flow, removed 249 selfloop flow, removed 9 redundant places. [2021-06-10 16:24:21,921 INFO L241 Difference]: Finished difference. Result has 121 places, 389 transitions, 4809 flow [2021-06-10 16:24:21,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=3673, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4809, PETRI_PLACES=121, PETRI_TRANSITIONS=389} [2021-06-10 16:24:21,922 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 89 predicate places. [2021-06-10 16:24:21,922 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 389 transitions, 4809 flow [2021-06-10 16:24:21,922 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) [2021-06-10 16:24:21,922 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:21,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:22,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-10 16:24:22,145 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:22,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:22,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1479852169, now seen corresponding path program 3 times [2021-06-10 16:24:22,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:22,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814646373] [2021-06-10 16:24:22,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:22,178 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:24:22,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:22,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:22,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,205 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-06-10 16:24:22,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:22,216 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-06-10 16:24:22,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:22,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814646373] [2021-06-10 16:24:22,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721742650] [2021-06-10 16:24:22,227 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:22,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-10 16:24:22,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:22,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-10 16:24:22,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:22,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:22,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:22,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:22,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:22,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:22,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:22,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:22,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:22,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:22,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:22,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:22,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:22,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:22,305 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,305 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 [2021-06-10 16:24:22,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,307 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-10 16:24:22,311 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:22,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:22,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:22,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:22,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:22,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:22,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:22,326 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:16 [2021-06-10 16:24:22,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:22,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:22,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:22,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:22,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:22,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,386 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:22,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:22,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:22,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:22,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:22,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:22,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:22,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:22,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:22,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:22,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-10 16:24:22,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353914928] [2021-06-10 16:24:22,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-10 16:24:22,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:22,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-10 16:24:22,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-10 16:24:22,396 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:22,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 389 transitions, 4809 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) [2021-06-10 16:24:22,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:22,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:22,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:22,629 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][36], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 760#(and (= s2 s1) (= s1 0) (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s1 i1) (or (not (= i2 i1)) (= t12 t21))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 17#L24true, Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 18#L36true, Black: 799#(and (= (select x i1) s1) (= s2 0)), Black: 847#(and (= (select x i1) s1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 21#L79true, 853#true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 112#(<= i1 i2), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 125#(<= (+ i1 1) i2), 163#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 47#true, Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 105#true, Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 44#(= s2 s1), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:22,629 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:22,629 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:22,629 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:22,629 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:22,672 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][36], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 760#(and (= s2 s1) (= s1 0) (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s1 i1) (or (not (= i2 i1)) (= t12 t21))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, 15#L63true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 18#L36true, Black: 799#(and (= (select x i1) s1) (= s2 0)), Black: 847#(and (= (select x i1) s1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 21#L79true, 853#true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 29#L23true, Black: 112#(<= i1 i2), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 125#(<= (+ i1 1) i2), 163#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 47#true, Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 105#true, Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 44#(= s2 s1), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true]) [2021-06-10 16:24:22,672 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:22,673 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:22,673 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:22,673 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:22,711 INFO L129 PetriNetUnfolder]: 971/1629 cut-off events. [2021-06-10 16:24:22,711 INFO L130 PetriNetUnfolder]: For 13966/14124 co-relation queries the response was YES. [2021-06-10 16:24:22,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11647 conditions, 1629 events. 971/1629 cut-off events. For 13966/14124 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 8967 event pairs, 16 based on Foata normal form. 53/1671 useless extension candidates. Maximal degree in co-relation 11408. Up to 1178 conditions per place. [2021-06-10 16:24:22,734 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 259 selfloop transitions, 143 changer transitions 0/415 dead transitions. [2021-06-10 16:24:22,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 415 transitions, 6172 flow [2021-06-10 16:24:22,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-10 16:24:22,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-10 16:24:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 194 transitions. [2021-06-10 16:24:22,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8362068965517241 [2021-06-10 16:24:22,736 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 194 transitions. [2021-06-10 16:24:22,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 194 transitions. [2021-06-10 16:24:22,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:22,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 194 transitions. [2021-06-10 16:24:22,738 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) [2021-06-10 16:24:22,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:22,739 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:22,739 INFO L185 Difference]: Start difference. First operand has 121 places, 389 transitions, 4809 flow. Second operand 8 states and 194 transitions. [2021-06-10 16:24:22,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 415 transitions, 6172 flow [2021-06-10 16:24:22,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 415 transitions, 5644 flow, removed 206 selfloop flow, removed 4 redundant places. [2021-06-10 16:24:22,816 INFO L241 Difference]: Finished difference. Result has 126 places, 413 transitions, 5188 flow [2021-06-10 16:24:22,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=4309, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5188, PETRI_PLACES=126, PETRI_TRANSITIONS=413} [2021-06-10 16:24:22,816 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 94 predicate places. [2021-06-10 16:24:22,816 INFO L480 AbstractCegarLoop]: Abstraction has has 126 places, 413 transitions, 5188 flow [2021-06-10 16:24:22,816 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) [2021-06-10 16:24:22,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:22,816 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:23,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-10 16:24:23,033 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:23,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:23,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1609304787, now seen corresponding path program 2 times [2021-06-10 16:24:23,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:23,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041266727] [2021-06-10 16:24:23,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:23,048 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:23,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:23,053 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-06-10 16:24:23,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,060 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:23,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:23,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:23,084 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:23,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:23,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041266727] [2021-06-10 16:24:23,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661326757] [2021-06-10 16:24:23,095 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 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 [2021-06-10 16:24:23,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:24:23,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:23,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-10 16:24:23,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:23,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:23,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:23,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:23,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:23,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:23,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:23,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:23,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:23,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:23,198 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,198 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 [2021-06-10 16:24:23,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:23,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:23,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:23,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:23,209 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:23,209 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:20 [2021-06-10 16:24:23,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:23,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:23,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,227 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:24:23,227 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:24:23,228 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-10 16:24:23,228 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-10 16:24:23,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:23,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:23,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,246 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-06-10 16:24:23,247 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-06-10 16:24:23,250 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:24:23,250 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-06-10 16:24:23,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:23,286 INFO L142 QuantifierPusher]: treesize reduction 18, result has 5.3 percent of original size [2021-06-10 16:24:23,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:23,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:23,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:23,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:23,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:23,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:23,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-10 16:24:23,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661400159] [2021-06-10 16:24:23,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 16:24:23,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:23,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 16:24:23,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-06-10 16:24:23,289 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:23,289 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 413 transitions, 5188 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) [2021-06-10 16:24:23,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:23,289 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:23,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:23,800 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][29], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 760#(and (= s2 s1) (= s1 0) (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s1 i1) (or (not (= i2 i1)) (= t12 t21))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), Black: 847#(and (= (select x i1) s1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 853#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0))]) [2021-06-10 16:24:23,801 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:23,801 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:23,801 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:23,801 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:23,844 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][29], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 760#(and (= s2 s1) (= s1 0) (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s1 i1) (or (not (= i2 i1)) (= t12 t21))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), Black: 847#(and (= (select x i1) s1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 853#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0))]) [2021-06-10 16:24:23,844 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:23,844 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:23,844 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:23,844 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:23,885 INFO L129 PetriNetUnfolder]: 998/1679 cut-off events. [2021-06-10 16:24:23,885 INFO L130 PetriNetUnfolder]: For 15614/15723 co-relation queries the response was YES. [2021-06-10 16:24:23,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12348 conditions, 1679 events. 998/1679 cut-off events. For 15614/15723 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 9348 event pairs, 14 based on Foata normal form. 54/1722 useless extension candidates. Maximal degree in co-relation 12099. Up to 1272 conditions per place. [2021-06-10 16:24:23,909 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 298 selfloop transitions, 136 changer transitions 0/447 dead transitions. [2021-06-10 16:24:23,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 447 transitions, 6862 flow [2021-06-10 16:24:23,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-10 16:24:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-10 16:24:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 412 transitions. [2021-06-10 16:24:23,911 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.789272030651341 [2021-06-10 16:24:23,911 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 412 transitions. [2021-06-10 16:24:23,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 412 transitions. [2021-06-10 16:24:23,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:23,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 412 transitions. [2021-06-10 16:24:23,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 22.88888888888889) internal successors, (412), 18 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:23,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:23,913 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:23,913 INFO L185 Difference]: Start difference. First operand has 126 places, 413 transitions, 5188 flow. Second operand 18 states and 412 transitions. [2021-06-10 16:24:23,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 447 transitions, 6862 flow [2021-06-10 16:24:23,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 447 transitions, 6343 flow, removed 207 selfloop flow, removed 3 redundant places. [2021-06-10 16:24:24,004 INFO L241 Difference]: Finished difference. Result has 143 places, 447 transitions, 5839 flow [2021-06-10 16:24:24,005 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=4680, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=5839, PETRI_PLACES=143, PETRI_TRANSITIONS=447} [2021-06-10 16:24:24,005 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 111 predicate places. [2021-06-10 16:24:24,005 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 447 transitions, 5839 flow [2021-06-10 16:24:24,005 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) [2021-06-10 16:24:24,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:24,006 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:24,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-10 16:24:24,221 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:24,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:24,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1156848197, now seen corresponding path program 3 times [2021-06-10 16:24:24,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:24,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770652542] [2021-06-10 16:24:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:24,235 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:24,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:24,240 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-06-10 16:24:24,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:24,248 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:24,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:24,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:24,276 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:24,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:24,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770652542] [2021-06-10 16:24:24,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828068599] [2021-06-10 16:24:24,289 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 [2021-06-10 16:24:24,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-10 16:24:24,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:24,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-10 16:24:24,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:24,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:24,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:24,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:24,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:24,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:24,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:24,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:24,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:24,377 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,377 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 [2021-06-10 16:24:24,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:24,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:24,379 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:24,383 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:24,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:24,384 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:12 [2021-06-10 16:24:24,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:24,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:24,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,399 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-06-10 16:24:24,400 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-10 16:24:24,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:24,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:24,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:24,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:24,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:24,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:24,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,435 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:24,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:24,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:24,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:24,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:24,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:24,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:24,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:24,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-10 16:24:24,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782228703] [2021-06-10 16:24:24,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-10 16:24:24,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:24,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-10 16:24:24,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-06-10 16:24:24,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:24,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 447 transitions, 5839 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) [2021-06-10 16:24:24,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:24,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:24,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:24,641 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 760#(and (= s2 s1) (= s1 0) (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s1 i1) (or (not (= i2 i1)) (= t12 t21))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), Black: 847#(and (= (select x i1) s1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 853#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 941#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 1009#true]) [2021-06-10 16:24:24,641 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:24,641 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:24,641 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:24,641 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:24,693 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][31], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 760#(and (= s2 s1) (= s1 0) (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s1 i1) (or (not (= i2 i1)) (= t12 t21))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), Black: 847#(and (= (select x i1) s1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 853#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 941#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 1009#true]) [2021-06-10 16:24:24,694 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:24,694 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:24,694 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:24,694 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:24,735 INFO L129 PetriNetUnfolder]: 1025/1726 cut-off events. [2021-06-10 16:24:24,736 INFO L130 PetriNetUnfolder]: For 17499/17599 co-relation queries the response was YES. [2021-06-10 16:24:24,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12922 conditions, 1726 events. 1025/1726 cut-off events. For 17499/17599 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 9684 event pairs, 15 based on Foata normal form. 24/1737 useless extension candidates. Maximal degree in co-relation 12667. Up to 1284 conditions per place. [2021-06-10 16:24:24,761 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 333 selfloop transitions, 122 changer transitions 0/468 dead transitions. [2021-06-10 16:24:24,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 468 transitions, 7193 flow [2021-06-10 16:24:24,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 16:24:24,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 16:24:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-06-10 16:24:24,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2021-06-10 16:24:24,762 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-06-10 16:24:24,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-06-10 16:24:24,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:24,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-06-10 16:24:24,763 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) [2021-06-10 16:24:24,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:24,764 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:24,764 INFO L185 Difference]: Start difference. First operand has 143 places, 447 transitions, 5839 flow. Second operand 9 states and 217 transitions. [2021-06-10 16:24:24,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 468 transitions, 7193 flow [2021-06-10 16:24:24,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 468 transitions, 6704 flow, removed 220 selfloop flow, removed 8 redundant places. [2021-06-10 16:24:24,866 INFO L241 Difference]: Finished difference. Result has 146 places, 468 transitions, 6140 flow [2021-06-10 16:24:24,867 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=5350, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6140, PETRI_PLACES=146, PETRI_TRANSITIONS=468} [2021-06-10 16:24:24,867 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 114 predicate places. [2021-06-10 16:24:24,867 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 468 transitions, 6140 flow [2021-06-10 16:24:24,867 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) [2021-06-10 16:24:24,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:24,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:25,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:25,081 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:25,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:25,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1666325199, now seen corresponding path program 4 times [2021-06-10 16:24:25,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:25,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229037393] [2021-06-10 16:24:25,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:25,100 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:25,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:25,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:25,111 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:25,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:25,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:25,134 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:25,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:25,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229037393] [2021-06-10 16:24:25,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117722784] [2021-06-10 16:24:25,143 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 [2021-06-10 16:24:25,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:24:25,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:25,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-10 16:24:25,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:25,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:25,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:25,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:25,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:25,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:25,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:25,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:25,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:25,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:25,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:25,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:25,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:25,218 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,218 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 [2021-06-10 16:24:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:25,220 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:25,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:25,228 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:25,228 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-06-10 16:24:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:25,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:25,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:25,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:25,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:25,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,249 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-10 16:24:25,250 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:25,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:25,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:25,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:25,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:25,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:25,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:25,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,281 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:25,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:25,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:25,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:25,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:25,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:25,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:25,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:25,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:25,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-10 16:24:25,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055891896] [2021-06-10 16:24:25,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-10 16:24:25,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:25,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-10 16:24:25,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-10 16:24:25,293 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:25,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 468 transitions, 6140 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) [2021-06-10 16:24:25,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:25,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:25,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:25,527 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 760#(and (= s2 s1) (= s1 0) (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s1 i1) (or (not (= i2 i1)) (= t12 t21))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 44#(= s2 s1), Black: 1029#(and (= s2 s1) (= (select x i1) t21)), Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), Black: 847#(and (= (select x i1) s1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 853#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 941#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 1009#true]) [2021-06-10 16:24:25,528 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:25,528 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:25,528 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:25,528 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-06-10 16:24:25,582 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][31], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 760#(and (= s2 s1) (= s1 0) (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s1 i1) (or (not (= i2 i1)) (= t12 t21))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 44#(= s2 s1), Black: 1029#(and (= s2 s1) (= (select x i1) t21)), Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), Black: 847#(and (= (select x i1) s1) (or (= t22 s1) (not (= i2 i1))) (= s2 0)), 853#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 941#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 1009#true, Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0))]) [2021-06-10 16:24:25,582 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:25,582 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:25,582 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:25,582 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:25,629 INFO L129 PetriNetUnfolder]: 1082/1819 cut-off events. [2021-06-10 16:24:25,629 INFO L130 PetriNetUnfolder]: For 20161/20263 co-relation queries the response was YES. [2021-06-10 16:24:25,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14227 conditions, 1819 events. 1082/1819 cut-off events. For 20161/20263 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 10265 event pairs, 16 based on Foata normal form. 16/1823 useless extension candidates. Maximal degree in co-relation 13956. Up to 1356 conditions per place. [2021-06-10 16:24:25,657 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 357 selfloop transitions, 141 changer transitions 0/511 dead transitions. [2021-06-10 16:24:25,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 511 transitions, 7939 flow [2021-06-10 16:24:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-10 16:24:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-10 16:24:25,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2021-06-10 16:24:25,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8318965517241379 [2021-06-10 16:24:25,659 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 193 transitions. [2021-06-10 16:24:25,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 193 transitions. [2021-06-10 16:24:25,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:25,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 193 transitions. [2021-06-10 16:24:25,659 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) [2021-06-10 16:24:25,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:25,661 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:25,662 INFO L185 Difference]: Start difference. First operand has 146 places, 468 transitions, 6140 flow. Second operand 8 states and 193 transitions. [2021-06-10 16:24:25,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 511 transitions, 7939 flow [2021-06-10 16:24:25,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 511 transitions, 7334 flow, removed 162 selfloop flow, removed 7 redundant places. [2021-06-10 16:24:25,770 INFO L241 Difference]: Finished difference. Result has 150 places, 509 transitions, 6727 flow [2021-06-10 16:24:25,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=5581, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6727, PETRI_PLACES=150, PETRI_TRANSITIONS=509} [2021-06-10 16:24:25,771 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 118 predicate places. [2021-06-10 16:24:25,771 INFO L480 AbstractCegarLoop]: Abstraction has has 150 places, 509 transitions, 6727 flow [2021-06-10 16:24:25,771 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) [2021-06-10 16:24:25,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:25,771 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:25,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-10 16:24:25,985 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:25,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:25,985 INFO L82 PathProgramCache]: Analyzing trace with hash 569158583, now seen corresponding path program 5 times [2021-06-10 16:24:25,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:25,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775287474] [2021-06-10 16:24:25,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:26,008 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:26,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:26,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:26,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:26,040 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:26,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:26,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:26,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775287474] [2021-06-10 16:24:26,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261460706] [2021-06-10 16:24:26,052 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 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 [2021-06-10 16:24:26,087 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:24:26,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:26,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-10 16:24:26,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:26,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:26,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:26,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:24:26,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:26,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:26,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:24:26,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:26,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:26,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:26,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:26,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:26,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:26,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:24:26,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:26,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:26,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:26,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:26,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:26,163 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,164 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 [2021-06-10 16:24:26,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,165 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-06-10 16:24:26,165 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-10 16:24:26,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:26,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:26,174 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:26,175 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:26,176 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2021-06-10 16:24:26,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:26,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:26,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,195 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size 26 [2021-06-10 16:24:26,195 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-06-10 16:24:26,196 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-10 16:24:26,197 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-10 16:24:26,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:26,238 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-10 16:24:26,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:26,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:26,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 16:24:26,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:26,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:26,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:26,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:26,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:26,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:26,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:26,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-10 16:24:26,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643072803] [2021-06-10 16:24:26,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 16:24:26,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:26,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 16:24:26,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-10 16:24:26,249 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:26,249 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 509 transitions, 6727 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) [2021-06-10 16:24:26,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:26,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:26,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:26,762 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 44#(= s2 s1), Black: 1029#(and (= s2 s1) (= (select x i1) t21)), Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 941#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:26,763 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:26,763 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:26,763 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:26,763 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:26,807 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 330#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 479#(and (= s2 s1) (= s1 0) (= (select x i1) t11)), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 634#(and (= s2 s1) (= (select x i1) t21)), 683#true, Black: 44#(= s2 s1), Black: 1029#(and (= s2 s1) (= (select x i1) t21)), Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 941#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:26,807 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:26,808 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:26,808 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:26,808 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:26,845 INFO L129 PetriNetUnfolder]: 1146/1926 cut-off events. [2021-06-10 16:24:26,846 INFO L130 PetriNetUnfolder]: For 22213/22309 co-relation queries the response was YES. [2021-06-10 16:24:26,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15416 conditions, 1926 events. 1146/1926 cut-off events. For 22213/22309 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 11051 event pairs, 16 based on Foata normal form. 47/1960 useless extension candidates. Maximal degree in co-relation 15132. Up to 1442 conditions per place. [2021-06-10 16:24:26,873 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 390 selfloop transitions, 186 changer transitions 0/589 dead transitions. [2021-06-10 16:24:26,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 589 transitions, 9421 flow [2021-06-10 16:24:26,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-10 16:24:26,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-10 16:24:26,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 417 transitions. [2021-06-10 16:24:26,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7988505747126436 [2021-06-10 16:24:26,875 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 417 transitions. [2021-06-10 16:24:26,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 417 transitions. [2021-06-10 16:24:26,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:26,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 417 transitions. [2021-06-10 16:24:26,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.166666666666668) internal successors, (417), 18 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:26,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:26,877 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:26,877 INFO L185 Difference]: Start difference. First operand has 150 places, 509 transitions, 6727 flow. Second operand 18 states and 417 transitions. [2021-06-10 16:24:26,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 589 transitions, 9421 flow [2021-06-10 16:24:27,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 589 transitions, 8727 flow, removed 204 selfloop flow, removed 6 redundant places. [2021-06-10 16:24:27,018 INFO L241 Difference]: Finished difference. Result has 167 places, 586 transitions, 8175 flow [2021-06-10 16:24:27,019 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=6192, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=8175, PETRI_PLACES=167, PETRI_TRANSITIONS=586} [2021-06-10 16:24:27,019 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 135 predicate places. [2021-06-10 16:24:27,019 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 586 transitions, 8175 flow [2021-06-10 16:24:27,020 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) [2021-06-10 16:24:27,020 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:27,020 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:27,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:27,220 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:27,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:27,220 INFO L82 PathProgramCache]: Analyzing trace with hash 386466781, now seen corresponding path program 4 times [2021-06-10 16:24:27,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:27,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214112737] [2021-06-10 16:24:27,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:27,244 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:24:27,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:27,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:27,263 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-06-10 16:24:27,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:27,274 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-06-10 16:24:27,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:27,285 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-06-10 16:24:27,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:27,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:27,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214112737] [2021-06-10 16:24:27,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984036248] [2021-06-10 16:24:27,297 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 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 [2021-06-10 16:24:27,339 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:24:27,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:27,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-10 16:24:27,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:27,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:27,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:27,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:27,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:27,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:27,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:27,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:27,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:27,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:27,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:27,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:27,393 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 [2021-06-10 16:24:27,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:24:27,399 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:27,400 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:27,400 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-06-10 16:24:27,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:27,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:27,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,413 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-06-10 16:24:27,413 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-06-10 16:24:27,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:27,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:27,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:27,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,426 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-06-10 16:24:27,426 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-06-10 16:24:27,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:27,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:27,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:27,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:27,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:27,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:27,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:27,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-10 16:24:27,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125586727] [2021-06-10 16:24:27,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 16:24:27,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:27,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 16:24:27,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-06-10 16:24:27,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:27,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 586 transitions, 8175 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) [2021-06-10 16:24:27,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:27,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:27,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:27,909 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 44#(= s2 s1), Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1155#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), Black: 1230#(and (= (select x i2) t12) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:27,909 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:27,909 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:27,909 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:27,909 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:27,959 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][89], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 754#(and (= i1 1) (= (+ s2 1) i1) (or (not (= i2 i1)) (= (+ i1 t12) (+ s1 1))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0)))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 44#(= s2 s1), Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1155#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), Black: 1230#(and (= (select x i2) t12) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:27,960 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:27,960 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:27,960 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:27,960 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:28,004 INFO L129 PetriNetUnfolder]: 1281/2116 cut-off events. [2021-06-10 16:24:28,004 INFO L130 PetriNetUnfolder]: For 27879/28015 co-relation queries the response was YES. [2021-06-10 16:24:28,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17882 conditions, 2116 events. 1281/2116 cut-off events. For 27879/28015 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12038 event pairs, 24 based on Foata normal form. 52/2154 useless extension candidates. Maximal degree in co-relation 17592. Up to 1540 conditions per place. [2021-06-10 16:24:28,032 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 456 selfloop transitions, 180 changer transitions 0/649 dead transitions. [2021-06-10 16:24:28,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 649 transitions, 10831 flow [2021-06-10 16:24:28,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-10 16:24:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-10 16:24:28,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 390 transitions. [2021-06-10 16:24:28,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7910750507099391 [2021-06-10 16:24:28,034 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 390 transitions. [2021-06-10 16:24:28,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 390 transitions. [2021-06-10 16:24:28,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:28,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 390 transitions. [2021-06-10 16:24:28,035 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) [2021-06-10 16:24:28,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:28,036 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:28,036 INFO L185 Difference]: Start difference. First operand has 167 places, 586 transitions, 8175 flow. Second operand 17 states and 390 transitions. [2021-06-10 16:24:28,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 649 transitions, 10831 flow [2021-06-10 16:24:28,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 649 transitions, 10102 flow, removed 342 selfloop flow, removed 5 redundant places. [2021-06-10 16:24:28,158 INFO L241 Difference]: Finished difference. Result has 182 places, 627 transitions, 8907 flow [2021-06-10 16:24:28,158 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=7626, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=8907, PETRI_PLACES=182, PETRI_TRANSITIONS=627} [2021-06-10 16:24:28,158 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 150 predicate places. [2021-06-10 16:24:28,158 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 627 transitions, 8907 flow [2021-06-10 16:24:28,159 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) [2021-06-10 16:24:28,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:28,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:28,372 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:28,373 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:28,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:28,373 INFO L82 PathProgramCache]: Analyzing trace with hash 720208793, now seen corresponding path program 5 times [2021-06-10 16:24:28,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:28,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141467313] [2021-06-10 16:24:28,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:28,390 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:24:28,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:28,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:28,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:28,411 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-06-10 16:24:28,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:28,421 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-06-10 16:24:28,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:28,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:28,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141467313] [2021-06-10 16:24:28,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392420693] [2021-06-10 16:24:28,431 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 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 [2021-06-10 16:24:28,466 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-10 16:24:28,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:28,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-10 16:24:28,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:28,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:28,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:28,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:28,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:28,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:28,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:28,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,518 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:24:28,518 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:24:28,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:28,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:28,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:28,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:28,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:28,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:28,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:28,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:28,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:28,534 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 17 treesize of output 9 [2021-06-10 16:24:28,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:28,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:28,536 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:24:28,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:28,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:28,539 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2021-06-10 16:24:28,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:28,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:28,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,550 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-06-10 16:24:28,550 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-06-10 16:24:28,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:28,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:28,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:28,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:28,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:28,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:28,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:28,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-10 16:24:28,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085306119] [2021-06-10 16:24:28,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 16:24:28,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:28,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 16:24:28,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-10 16:24:28,579 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:28,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 627 transitions, 8907 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) [2021-06-10 16:24:28,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:28,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:28,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:29,022 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][109], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1249#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1155#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), Black: 1230#(and (= (select x i2) t12) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:29,023 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:29,023 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:29,023 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:29,023 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:29,081 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][109], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1249#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 44#(= s2 s1), Black: 1279#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1155#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), Black: 1230#(and (= (select x i2) t12) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:29,081 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:29,081 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:29,081 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:29,082 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:29,141 INFO L129 PetriNetUnfolder]: 1419/2341 cut-off events. [2021-06-10 16:24:29,141 INFO L130 PetriNetUnfolder]: For 36098/36144 co-relation queries the response was YES. [2021-06-10 16:24:29,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20710 conditions, 2341 events. 1419/2341 cut-off events. For 36098/36144 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 13638 event pairs, 28 based on Foata normal form. 18/2349 useless extension candidates. Maximal degree in co-relation 20390. Up to 1700 conditions per place. [2021-06-10 16:24:29,174 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 430 selfloop transitions, 229 changer transitions 0/672 dead transitions. [2021-06-10 16:24:29,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 672 transitions, 11207 flow [2021-06-10 16:24:29,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-10 16:24:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-10 16:24:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 415 transitions. [2021-06-10 16:24:29,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7950191570881227 [2021-06-10 16:24:29,176 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 415 transitions. [2021-06-10 16:24:29,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 415 transitions. [2021-06-10 16:24:29,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:29,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 415 transitions. [2021-06-10 16:24:29,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.055555555555557) internal successors, (415), 18 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:29,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:29,179 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:29,179 INFO L185 Difference]: Start difference. First operand has 182 places, 627 transitions, 8907 flow. Second operand 18 states and 415 transitions. [2021-06-10 16:24:29,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 672 transitions, 11207 flow [2021-06-10 16:24:29,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 672 transitions, 10954 flow, removed 98 selfloop flow, removed 6 redundant places. [2021-06-10 16:24:29,389 INFO L241 Difference]: Finished difference. Result has 197 places, 653 transitions, 9842 flow [2021-06-10 16:24:29,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=8654, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=9842, PETRI_PLACES=197, PETRI_TRANSITIONS=653} [2021-06-10 16:24:29,390 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 165 predicate places. [2021-06-10 16:24:29,390 INFO L480 AbstractCegarLoop]: Abstraction has has 197 places, 653 transitions, 9842 flow [2021-06-10 16:24:29,390 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) [2021-06-10 16:24:29,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:29,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:29,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-10 16:24:29,590 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:29,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:29,591 INFO L82 PathProgramCache]: Analyzing trace with hash 509542507, now seen corresponding path program 6 times [2021-06-10 16:24:29,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:29,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020853257] [2021-06-10 16:24:29,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:29,613 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:29,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:29,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,628 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:29,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:29,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,653 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:29,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:29,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020853257] [2021-06-10 16:24:29,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338305487] [2021-06-10 16:24:29,665 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 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 [2021-06-10 16:24:29,691 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-10 16:24:29,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:29,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-10 16:24:29,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:29,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:29,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:29,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:29,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:29,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:29,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:29,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:29,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:29,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:29,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:29,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:29,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:29,726 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,727 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 [2021-06-10 16:24:29,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:29,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:29,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:29,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:29,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:29,735 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-06-10 16:24:29,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:29,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:29,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:29,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:29,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:29,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:29,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,751 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-10 16:24:29,751 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:29,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:29,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,784 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:29,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:29,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:29,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:29,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:29,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:29,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:29,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:29,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:29,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-10 16:24:29,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277476495] [2021-06-10 16:24:29,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-10 16:24:29,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:29,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-10 16:24:29,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-10 16:24:29,790 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:29,790 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 653 transitions, 9842 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) [2021-06-10 16:24:29,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:29,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:29,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:30,044 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 1412#true, Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1249#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1155#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:30,045 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:30,045 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:30,045 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:30,045 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:30,145 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), 1412#true, Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1249#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 44#(= s2 s1), Black: 1279#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1155#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:30,145 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:30,145 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:30,146 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:30,146 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:30,211 INFO L129 PetriNetUnfolder]: 1446/2387 cut-off events. [2021-06-10 16:24:30,211 INFO L130 PetriNetUnfolder]: For 40456/40553 co-relation queries the response was YES. [2021-06-10 16:24:30,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21959 conditions, 2387 events. 1446/2387 cut-off events. For 40456/40553 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 13913 event pairs, 37 based on Foata normal form. 14/2387 useless extension candidates. Maximal degree in co-relation 21696. Up to 1840 conditions per place. [2021-06-10 16:24:30,308 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 482 selfloop transitions, 177 changer transitions 0/672 dead transitions. [2021-06-10 16:24:30,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 672 transitions, 11516 flow [2021-06-10 16:24:30,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-10 16:24:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-10 16:24:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2021-06-10 16:24:30,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8318965517241379 [2021-06-10 16:24:30,309 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 193 transitions. [2021-06-10 16:24:30,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 193 transitions. [2021-06-10 16:24:30,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:30,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 193 transitions. [2021-06-10 16:24:30,310 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) [2021-06-10 16:24:30,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:30,310 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:30,310 INFO L185 Difference]: Start difference. First operand has 197 places, 653 transitions, 9842 flow. Second operand 8 states and 193 transitions. [2021-06-10 16:24:30,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 672 transitions, 11516 flow [2021-06-10 16:24:30,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 672 transitions, 11155 flow, removed 130 selfloop flow, removed 10 redundant places. [2021-06-10 16:24:30,433 INFO L241 Difference]: Finished difference. Result has 196 places, 672 transitions, 10261 flow [2021-06-10 16:24:30,434 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=9481, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10261, PETRI_PLACES=196, PETRI_TRANSITIONS=672} [2021-06-10 16:24:30,434 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 164 predicate places. [2021-06-10 16:24:30,434 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 672 transitions, 10261 flow [2021-06-10 16:24:30,434 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) [2021-06-10 16:24:30,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:30,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:30,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:30,637 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:30,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:30,638 INFO L82 PathProgramCache]: Analyzing trace with hash 563718883, now seen corresponding path program 6 times [2021-06-10 16:24:30,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:30,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958874267] [2021-06-10 16:24:30,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:30,652 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:24:30,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:30,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,670 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-06-10 16:24:30,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:30,682 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-06-10 16:24:30,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,693 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-06-10 16:24:30,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:30,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958874267] [2021-06-10 16:24:30,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146300821] [2021-06-10 16:24:30,704 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 [2021-06-10 16:24:30,749 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-10 16:24:30,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:30,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-10 16:24:30,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:30,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:30,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:30,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:30,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:30,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:30,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:30,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:30,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:30,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:30,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:30,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:30,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:30,788 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,789 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 [2021-06-10 16:24:30,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:30,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:30,800 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:30,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:30,808 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:30,809 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2021-06-10 16:24:30,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:30,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:30,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:30,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:30,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:30,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:30,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,827 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-10 16:24:30,828 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:30,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:30,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,856 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-06-10 16:24:30,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-10 16:24:30,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:30,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:30,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:30,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,873 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:30,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:30,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:30,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:30,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:30,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:30,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:30,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:30,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:30,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-10 16:24:30,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229602147] [2021-06-10 16:24:30,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-10 16:24:30,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:30,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-10 16:24:30,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-10 16:24:30,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:30,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 672 transitions, 10261 flow. Second operand has 10 states, 10 states have (on average 19.1) internal successors, (191), 10 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) [2021-06-10 16:24:30,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:30,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:30,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:31,223 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), 1412#true, Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1480#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1155#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:31,223 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:31,224 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:31,224 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:31,224 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:31,291 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), 1412#true, Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1480#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1155#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:31,291 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:31,291 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:31,291 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:31,291 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:31,365 INFO L129 PetriNetUnfolder]: 1473/2441 cut-off events. [2021-06-10 16:24:31,366 INFO L130 PetriNetUnfolder]: For 42825/42920 co-relation queries the response was YES. [2021-06-10 16:24:31,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22735 conditions, 2441 events. 1473/2441 cut-off events. For 42825/42920 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 14437 event pairs, 32 based on Foata normal form. 14/2441 useless extension candidates. Maximal degree in co-relation 22402. Up to 1876 conditions per place. [2021-06-10 16:24:31,396 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 502 selfloop transitions, 174 changer transitions 0/689 dead transitions. [2021-06-10 16:24:31,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 689 transitions, 11965 flow [2021-06-10 16:24:31,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-10 16:24:31,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-10 16:24:31,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2021-06-10 16:24:31,397 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8318965517241379 [2021-06-10 16:24:31,397 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 193 transitions. [2021-06-10 16:24:31,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 193 transitions. [2021-06-10 16:24:31,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:31,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 193 transitions. [2021-06-10 16:24:31,398 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) [2021-06-10 16:24:31,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:31,398 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:31,398 INFO L185 Difference]: Start difference. First operand has 196 places, 672 transitions, 10261 flow. Second operand 8 states and 193 transitions. [2021-06-10 16:24:31,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 689 transitions, 11965 flow [2021-06-10 16:24:31,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 689 transitions, 11427 flow, removed 107 selfloop flow, removed 5 redundant places. [2021-06-10 16:24:31,599 INFO L241 Difference]: Finished difference. Result has 200 places, 689 transitions, 10484 flow [2021-06-10 16:24:31,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=9723, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10484, PETRI_PLACES=200, PETRI_TRANSITIONS=689} [2021-06-10 16:24:31,600 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 168 predicate places. [2021-06-10 16:24:31,600 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 689 transitions, 10484 flow [2021-06-10 16:24:31,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 19.1) internal successors, (191), 10 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) [2021-06-10 16:24:31,600 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:31,600 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:31,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-10 16:24:31,816 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:31,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:31,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1099856473, now seen corresponding path program 4 times [2021-06-10 16:24:31,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:31,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318655675] [2021-06-10 16:24:31,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:31,894 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:31,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:31,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:31,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:31,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:31,924 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:31,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:31,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:31,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:31,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318655675] [2021-06-10 16:24:31,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581555158] [2021-06-10 16:24:31,936 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 [2021-06-10 16:24:31,964 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:24:31,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:31,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-10 16:24:31,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:31,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:31,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:31,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:31,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:31,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:31,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:32,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:32,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,011 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:24:32,011 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:24:32,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:32,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:32,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:32,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:32,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:32,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:32,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:32,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:32,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:32,033 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 17 treesize of output 9 [2021-06-10 16:24:32,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:32,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:32,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:24:32,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:32,038 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:32,038 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2021-06-10 16:24:32,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:32,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:32,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:32,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:32,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:32,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:32,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:32,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:32,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:32,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:32,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-10 16:24:32,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618292344] [2021-06-10 16:24:32,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 16:24:32,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:32,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 16:24:32,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-10 16:24:32,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:32,078 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 689 transitions, 10484 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) [2021-06-10 16:24:32,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:32,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:32,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:32,552 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1480#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1155#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:32,552 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:32,552 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:32,552 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:32,552 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:32,674 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1480#true, Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1155#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:32,674 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:32,674 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:32,674 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:32,674 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:32,776 INFO L129 PetriNetUnfolder]: 1743/2864 cut-off events. [2021-06-10 16:24:32,776 INFO L130 PetriNetUnfolder]: For 58970/59061 co-relation queries the response was YES. [2021-06-10 16:24:32,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28517 conditions, 2864 events. 1743/2864 cut-off events. For 58970/59061 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 17093 event pairs, 38 based on Foata normal form. 36/2886 useless extension candidates. Maximal degree in co-relation 28160. Up to 2060 conditions per place. [2021-06-10 16:24:32,811 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 521 selfloop transitions, 241 changer transitions 0/775 dead transitions. [2021-06-10 16:24:32,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 775 transitions, 14416 flow [2021-06-10 16:24:32,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-10 16:24:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-10 16:24:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 422 transitions. [2021-06-10 16:24:32,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8084291187739464 [2021-06-10 16:24:32,813 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 422 transitions. [2021-06-10 16:24:32,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 422 transitions. [2021-06-10 16:24:32,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:32,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 422 transitions. [2021-06-10 16:24:32,814 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) [2021-06-10 16:24:32,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:32,815 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:32,815 INFO L185 Difference]: Start difference. First operand has 200 places, 689 transitions, 10484 flow. Second operand 18 states and 422 transitions. [2021-06-10 16:24:32,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 775 transitions, 14416 flow [2021-06-10 16:24:33,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 775 transitions, 13891 flow, removed 121 selfloop flow, removed 4 redundant places. [2021-06-10 16:24:33,030 INFO L241 Difference]: Finished difference. Result has 218 places, 757 transitions, 12566 flow [2021-06-10 16:24:33,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=9959, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=12566, PETRI_PLACES=218, PETRI_TRANSITIONS=757} [2021-06-10 16:24:33,031 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 186 predicate places. [2021-06-10 16:24:33,031 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 757 transitions, 12566 flow [2021-06-10 16:24:33,031 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) [2021-06-10 16:24:33,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:33,031 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:33,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-10 16:24:33,249 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:33,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:33,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1199193473, now seen corresponding path program 4 times [2021-06-10 16:24:33,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:33,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439725855] [2021-06-10 16:24:33,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:33,267 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:33,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:33,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:33,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:33,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:33,296 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:33,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:33,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:33,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439725855] [2021-06-10 16:24:33,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101335399] [2021-06-10 16:24:33,306 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 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 [2021-06-10 16:24:33,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:24:33,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:33,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-10 16:24:33,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:33,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:33,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:33,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:33,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:33,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:33,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:33,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,388 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:24:33,388 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:24:33,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:33,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:33,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:33,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:33,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:33,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:33,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:33,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:33,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:33,411 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 17 treesize of output 9 [2021-06-10 16:24:33,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:33,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:33,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:24:33,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,416 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-06-10 16:24:33,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:33,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:33,417 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2021-06-10 16:24:33,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:33,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:33,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:33,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:33,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:33,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:33,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:33,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:33,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:33,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:33,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-10 16:24:33,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234663805] [2021-06-10 16:24:33,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 16:24:33,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:33,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 16:24:33,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-10 16:24:33,522 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:33,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 757 transitions, 12566 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) [2021-06-10 16:24:33,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:33,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:33,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:34,011 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 611#true, 1635#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:34,011 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:34,011 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:34,011 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:34,011 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:34,114 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 44#(= s2 s1), Black: 1279#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 611#true, 1635#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:34,114 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:34,115 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:34,115 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:34,115 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:34,369 INFO L129 PetriNetUnfolder]: 2046/3339 cut-off events. [2021-06-10 16:24:34,369 INFO L130 PetriNetUnfolder]: For 83868/83956 co-relation queries the response was YES. [2021-06-10 16:24:34,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36298 conditions, 3339 events. 2046/3339 cut-off events. For 83868/83956 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 20085 event pairs, 49 based on Foata normal form. 44/3368 useless extension candidates. Maximal degree in co-relation 35905. Up to 2450 conditions per place. [2021-06-10 16:24:34,472 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 574 selfloop transitions, 272 changer transitions 0/859 dead transitions. [2021-06-10 16:24:34,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 859 transitions, 17359 flow [2021-06-10 16:24:34,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-10 16:24:34,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-10 16:24:34,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 422 transitions. [2021-06-10 16:24:34,487 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8084291187739464 [2021-06-10 16:24:34,487 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 422 transitions. [2021-06-10 16:24:34,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 422 transitions. [2021-06-10 16:24:34,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:34,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 422 transitions. [2021-06-10 16:24:34,488 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) [2021-06-10 16:24:34,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:34,489 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 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) [2021-06-10 16:24:34,489 INFO L185 Difference]: Start difference. First operand has 218 places, 757 transitions, 12566 flow. Second operand 18 states and 422 transitions. [2021-06-10 16:24:34,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 859 transitions, 17359 flow [2021-06-10 16:24:34,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 859 transitions, 15710 flow, removed 729 selfloop flow, removed 9 redundant places. [2021-06-10 16:24:34,744 INFO L241 Difference]: Finished difference. Result has 230 places, 839 transitions, 14213 flow [2021-06-10 16:24:34,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=11395, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=215, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=14213, PETRI_PLACES=230, PETRI_TRANSITIONS=839} [2021-06-10 16:24:34,745 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 198 predicate places. [2021-06-10 16:24:34,745 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 839 transitions, 14213 flow [2021-06-10 16:24:34,745 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) [2021-06-10 16:24:34,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:34,745 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:34,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:34,949 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:34,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:34,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1090986679, now seen corresponding path program 5 times [2021-06-10 16:24:34,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:34,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834623448] [2021-06-10 16:24:34,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:34,960 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:34,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:34,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:34,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:34,971 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:34,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:34,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:34,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:34,993 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:34,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:35,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:35,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834623448] [2021-06-10 16:24:35,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248066535] [2021-06-10 16:24:35,003 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 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 [2021-06-10 16:24:35,026 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-10 16:24:35,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:35,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-10 16:24:35,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:35,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:35,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:35,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:35,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:35,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:35,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:35,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:35,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:35,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:35,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:35,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:35,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:35,080 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 [2021-06-10 16:24:35,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:24:35,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:35,086 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:35,086 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-06-10 16:24:35,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:35,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:35,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:35,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:35,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:35,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:35,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,108 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-06-10 16:24:35,109 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-06-10 16:24:35,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:35,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:35,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:35,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:35,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:35,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:35,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:35,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-10 16:24:35,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073328882] [2021-06-10 16:24:35,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 16:24:35,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:35,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 16:24:35,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-06-10 16:24:35,134 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:35,134 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 839 transitions, 14213 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) [2021-06-10 16:24:35,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:35,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:35,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:35,817 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 54#(<= i2 i1), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 1673#(= s2 s1), 1720#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:35,817 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:35,817 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:35,817 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:35,817 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:35,933 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][89], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1720#true, 313#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:35,933 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:35,933 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:35,933 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:35,933 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:36,144 INFO L129 PetriNetUnfolder]: 2225/3582 cut-off events. [2021-06-10 16:24:36,144 INFO L130 PetriNetUnfolder]: For 99046/99143 co-relation queries the response was YES. [2021-06-10 16:24:36,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40222 conditions, 3582 events. 2225/3582 cut-off events. For 99046/99143 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 21296 event pairs, 68 based on Foata normal form. 36/3604 useless extension candidates. Maximal degree in co-relation 39822. Up to 2777 conditions per place. [2021-06-10 16:24:36,198 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 673 selfloop transitions, 243 changer transitions 0/929 dead transitions. [2021-06-10 16:24:36,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 929 transitions, 18645 flow [2021-06-10 16:24:36,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-10 16:24:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-10 16:24:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 398 transitions. [2021-06-10 16:24:36,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8073022312373225 [2021-06-10 16:24:36,199 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 398 transitions. [2021-06-10 16:24:36,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 398 transitions. [2021-06-10 16:24:36,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:36,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 398 transitions. [2021-06-10 16:24:36,200 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) [2021-06-10 16:24:36,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:36,201 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:36,201 INFO L185 Difference]: Start difference. First operand has 230 places, 839 transitions, 14213 flow. Second operand 17 states and 398 transitions. [2021-06-10 16:24:36,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 929 transitions, 18645 flow [2021-06-10 16:24:36,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 929 transitions, 17795 flow, removed 394 selfloop flow, removed 9 redundant places. [2021-06-10 16:24:36,630 INFO L241 Difference]: Finished difference. Result has 243 places, 915 transitions, 16318 flow [2021-06-10 16:24:36,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=13363, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=839, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=642, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=16318, PETRI_PLACES=243, PETRI_TRANSITIONS=915} [2021-06-10 16:24:36,631 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 211 predicate places. [2021-06-10 16:24:36,631 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 915 transitions, 16318 flow [2021-06-10 16:24:36,631 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) [2021-06-10 16:24:36,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:36,631 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:36,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-10 16:24:36,832 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:36,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:36,832 INFO L82 PathProgramCache]: Analyzing trace with hash 2024717651, now seen corresponding path program 5 times [2021-06-10 16:24:36,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:36,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154727111] [2021-06-10 16:24:36,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:36,850 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:36,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:36,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:36,862 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:36,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:36,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:36,884 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:36,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:36,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:36,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154727111] [2021-06-10 16:24:36,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744216163] [2021-06-10 16:24:36,894 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 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 [2021-06-10 16:24:36,983 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:24:36,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:36,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-10 16:24:36,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:36,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:36,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:36,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:36,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:36,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:36,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:36,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:36,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:36,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:36,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:36,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:37,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:37,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:37,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:37,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:37,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:24:37,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:37,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:37,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:24:37,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:37,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:37,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:24:37,042 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 [2021-06-10 16:24:37,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:37,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:37,044 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:24:37,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:37,055 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:37,055 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:23 [2021-06-10 16:24:37,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:37,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:37,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,077 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size 27 [2021-06-10 16:24:37,077 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-10 16:24:37,078 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-06-10 16:24:37,079 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-10 16:24:37,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:37,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:37,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,100 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.0 percent of original size 26 [2021-06-10 16:24:37,100 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.8 percent of original size [2021-06-10 16:24:37,101 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-10 16:24:37,101 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-10 16:24:37,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:37,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:37,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:37,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:37,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:37,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:37,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:37,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-10 16:24:37,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324858474] [2021-06-10 16:24:37,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 16:24:37,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:37,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 16:24:37,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-06-10 16:24:37,145 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:37,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 915 transitions, 16318 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) [2021-06-10 16:24:37,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:37,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:37,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:37,727 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1720#true, 313#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:37,727 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:37,727 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:37,727 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:37,727 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:37,926 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, 29#L23true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 54#(<= i2 i1), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1673#(= s2 s1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1720#true, 313#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 1143#(and (or (not (= i2 i1)) (= t12 t11)) (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true]) [2021-06-10 16:24:37,926 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:37,926 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:37,926 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:37,926 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:38,160 INFO L129 PetriNetUnfolder]: 2310/3744 cut-off events. [2021-06-10 16:24:38,161 INFO L130 PetriNetUnfolder]: For 113590/113822 co-relation queries the response was YES. [2021-06-10 16:24:38,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42906 conditions, 3744 events. 2310/3744 cut-off events. For 113590/113822 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 22640 event pairs, 66 based on Foata normal form. 76/3803 useless extension candidates. Maximal degree in co-relation 42478. Up to 2996 conditions per place. [2021-06-10 16:24:38,212 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 785 selfloop transitions, 206 changer transitions 0/1004 dead transitions. [2021-06-10 16:24:38,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 1004 transitions, 21037 flow [2021-06-10 16:24:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-10 16:24:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-10 16:24:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 399 transitions. [2021-06-10 16:24:38,214 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8093306288032455 [2021-06-10 16:24:38,214 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 399 transitions. [2021-06-10 16:24:38,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 399 transitions. [2021-06-10 16:24:38,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:38,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 399 transitions. [2021-06-10 16:24:38,215 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) [2021-06-10 16:24:38,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:38,216 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:38,216 INFO L185 Difference]: Start difference. First operand has 243 places, 915 transitions, 16318 flow. Second operand 17 states and 399 transitions. [2021-06-10 16:24:38,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 1004 transitions, 21037 flow [2021-06-10 16:24:38,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 1004 transitions, 20208 flow, removed 374 selfloop flow, removed 8 redundant places. [2021-06-10 16:24:38,677 INFO L241 Difference]: Finished difference. Result has 258 places, 1001 transitions, 18849 flow [2021-06-10 16:24:38,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=15491, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=915, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=757, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=18849, PETRI_PLACES=258, PETRI_TRANSITIONS=1001} [2021-06-10 16:24:38,678 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 226 predicate places. [2021-06-10 16:24:38,678 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 1001 transitions, 18849 flow [2021-06-10 16:24:38,678 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) [2021-06-10 16:24:38,678 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:38,679 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:38,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-10 16:24:38,901 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:38,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:38,901 INFO L82 PathProgramCache]: Analyzing trace with hash 806988935, now seen corresponding path program 6 times [2021-06-10 16:24:38,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:38,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777498298] [2021-06-10 16:24:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:38,917 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:38,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:38,927 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:38,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:38,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:38,948 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:38,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:38,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:38,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:38,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777498298] [2021-06-10 16:24:38,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426517647] [2021-06-10 16:24:38,957 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 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 [2021-06-10 16:24:38,980 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-10 16:24:38,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:38,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-10 16:24:38,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:38,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:38,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:38,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:39,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:39,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:39,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:39,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:39,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:39,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:39,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:39,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:39,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:39,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:39,031 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,031 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 [2021-06-10 16:24:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:39,033 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:39,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:39,038 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:39,038 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-06-10 16:24:39,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:39,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,054 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-10 16:24:39,054 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-10 16:24:39,054 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-10 16:24:39,055 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-10 16:24:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,067 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:24:39,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-10 16:24:39,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:39,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:39,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:39,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,097 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:39,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:39,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:39,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:39,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:39,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:39,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:39,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:39,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:39,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-10 16:24:39,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034600995] [2021-06-10 16:24:39,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-10 16:24:39,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:39,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-10 16:24:39,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-10 16:24:39,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:39,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 1001 transitions, 18849 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) [2021-06-10 16:24:39,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:39,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:39,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:39,517 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 611#true, 1635#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), 1893#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0))]) [2021-06-10 16:24:39,517 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:39,517 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:39,517 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:39,517 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:39,685 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][89], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), 1893#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1082#(and (= (select x i2) t12) (<= s2 s1) (<= s1 s2)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0))]) [2021-06-10 16:24:39,685 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:39,685 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:39,685 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:39,685 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:40,040 INFO L129 PetriNetUnfolder]: 2340/3787 cut-off events. [2021-06-10 16:24:40,040 INFO L130 PetriNetUnfolder]: For 116877/116965 co-relation queries the response was YES. [2021-06-10 16:24:40,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43747 conditions, 3787 events. 2340/3787 cut-off events. For 116877/116965 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 22911 event pairs, 65 based on Foata normal form. 14/3784 useless extension candidates. Maximal degree in co-relation 43311. Up to 3032 conditions per place. [2021-06-10 16:24:40,094 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 810 selfloop transitions, 202 changer transitions 0/1025 dead transitions. [2021-06-10 16:24:40,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 1025 transitions, 21601 flow [2021-06-10 16:24:40,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-10 16:24:40,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-10 16:24:40,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2021-06-10 16:24:40,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8318965517241379 [2021-06-10 16:24:40,095 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 193 transitions. [2021-06-10 16:24:40,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 193 transitions. [2021-06-10 16:24:40,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:40,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 193 transitions. [2021-06-10 16:24:40,095 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) [2021-06-10 16:24:40,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:40,096 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:40,096 INFO L185 Difference]: Start difference. First operand has 258 places, 1001 transitions, 18849 flow. Second operand 8 states and 193 transitions. [2021-06-10 16:24:40,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 1025 transitions, 21601 flow [2021-06-10 16:24:40,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 1025 transitions, 20242 flow, removed 625 selfloop flow, removed 5 redundant places. [2021-06-10 16:24:40,655 INFO L241 Difference]: Finished difference. Result has 262 places, 1025 transitions, 18703 flow [2021-06-10 16:24:40,656 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=17534, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1001, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=799, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18703, PETRI_PLACES=262, PETRI_TRANSITIONS=1025} [2021-06-10 16:24:40,661 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 230 predicate places. [2021-06-10 16:24:40,661 INFO L480 AbstractCegarLoop]: Abstraction has has 262 places, 1025 transitions, 18703 flow [2021-06-10 16:24:40,661 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) [2021-06-10 16:24:40,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:40,661 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:40,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:40,877 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:40,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:40,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1511882559, now seen corresponding path program 6 times [2021-06-10 16:24:40,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:40,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042304930] [2021-06-10 16:24:40,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:40,897 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:40,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:40,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:40,911 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:24:40,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:40,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:40,937 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-06-10 16:24:40,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:40,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:40,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042304930] [2021-06-10 16:24:40,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233027293] [2021-06-10 16:24:40,950 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 [2021-06-10 16:24:40,976 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-10 16:24:40,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:40,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-10 16:24:40,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:40,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:40,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:40,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:40,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:40,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:40,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:40,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:40,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:40,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:40,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:41,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:41,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:41,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:41,006 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,006 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 [2021-06-10 16:24:41,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:41,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:41,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:24:41,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:41,019 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:41,019 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-06-10 16:24:41,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:41,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:41,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:41,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:41,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:41,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:41,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,034 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-10 16:24:41,035 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:41,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:41,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:41,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:41,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:41,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:41,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:41,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:41,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,065 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:41,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:41,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:41,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:41,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:41,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:41,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:41,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:41,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:41,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-10 16:24:41,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754869363] [2021-06-10 16:24:41,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-10 16:24:41,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:41,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-10 16:24:41,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-10 16:24:41,071 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:41,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 1025 transitions, 18703 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) [2021-06-10 16:24:41,071 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:41,071 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:41,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:41,463 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 611#true, 1635#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), 1893#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1965#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0))]) [2021-06-10 16:24:41,463 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-06-10 16:24:41,463 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:41,463 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:41,463 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:41,656 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 611#true, 1635#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), 1893#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1965#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0))]) [2021-06-10 16:24:41,656 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-06-10 16:24:41,656 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:41,656 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:41,656 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:42,036 INFO L129 PetriNetUnfolder]: 2360/3832 cut-off events. [2021-06-10 16:24:42,037 INFO L130 PetriNetUnfolder]: For 118247/118338 co-relation queries the response was YES. [2021-06-10 16:24:42,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43970 conditions, 3832 events. 2360/3832 cut-off events. For 118247/118338 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 23426 event pairs, 66 based on Foata normal form. 14/3829 useless extension candidates. Maximal degree in co-relation 43521. Up to 3059 conditions per place. [2021-06-10 16:24:42,090 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 826 selfloop transitions, 202 changer transitions 0/1041 dead transitions. [2021-06-10 16:24:42,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 1041 transitions, 21307 flow [2021-06-10 16:24:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-10 16:24:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-10 16:24:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2021-06-10 16:24:42,091 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8318965517241379 [2021-06-10 16:24:42,091 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 193 transitions. [2021-06-10 16:24:42,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 193 transitions. [2021-06-10 16:24:42,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:42,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 193 transitions. [2021-06-10 16:24:42,092 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) [2021-06-10 16:24:42,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:42,092 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:42,092 INFO L185 Difference]: Start difference. First operand has 262 places, 1025 transitions, 18703 flow. Second operand 8 states and 193 transitions. [2021-06-10 16:24:42,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 1041 transitions, 21307 flow [2021-06-10 16:24:42,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 1041 transitions, 20336 flow, removed 236 selfloop flow, removed 6 redundant places. [2021-06-10 16:24:42,524 INFO L241 Difference]: Finished difference. Result has 265 places, 1041 transitions, 18750 flow [2021-06-10 16:24:42,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=17732, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=823, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18750, PETRI_PLACES=265, PETRI_TRANSITIONS=1041} [2021-06-10 16:24:42,525 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 233 predicate places. [2021-06-10 16:24:42,525 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 1041 transitions, 18750 flow [2021-06-10 16:24:42,525 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) [2021-06-10 16:24:42,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:42,525 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:42,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:42,741 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:42,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:42,742 INFO L82 PathProgramCache]: Analyzing trace with hash 2144844344, now seen corresponding path program 7 times [2021-06-10 16:24:42,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:42,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029718318] [2021-06-10 16:24:42,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:42,755 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:42,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:42,760 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-10 16:24:42,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:42,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 16:24:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:42,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029718318] [2021-06-10 16:24:42,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580092435] [2021-06-10 16:24:42,901 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 [2021-06-10 16:24:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:42,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-10 16:24:42,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:42,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:42,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:42,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:42,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:42,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:42,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:42,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:42,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:42,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:42,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:42,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:42,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:42,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:42,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:42,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:42,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:42,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:42,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:42,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:42,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:42,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:42,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:42,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:42,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:42,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:42,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:42,987 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-06-10 16:24:42,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:42,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:42,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:42,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:42,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 16:24:42,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:42,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2021-06-10 16:24:42,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406380329] [2021-06-10 16:24:42,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 16:24:42,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:42,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 16:24:42,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-10 16:24:42,990 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 29 [2021-06-10 16:24:42,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 1041 transitions, 18750 flow. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 8 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) [2021-06-10 16:24:42,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:42,990 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 29 [2021-06-10 16:24:42,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:43,588 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][90], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1965#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:24:43,588 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:24:43,588 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:24:43,588 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:43,588 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:43,695 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1635#true, 611#true, Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1965#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:24:43,695 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:24:43,695 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:43,695 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:43,695 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:24:43,840 INFO L129 PetriNetUnfolder]: 2802/4536 cut-off events. [2021-06-10 16:24:43,840 INFO L130 PetriNetUnfolder]: For 166276/166363 co-relation queries the response was YES. [2021-06-10 16:24:43,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54201 conditions, 4536 events. 2802/4536 cut-off events. For 166276/166363 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 28202 event pairs, 143 based on Foata normal form. 45/4561 useless extension candidates. Maximal degree in co-relation 53684. Up to 1856 conditions per place. [2021-06-10 16:24:43,927 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 720 selfloop transitions, 334 changer transitions 0/1255 dead transitions. [2021-06-10 16:24:43,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 1255 transitions, 24004 flow [2021-06-10 16:24:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 16:24:43,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 16:24:43,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 227 transitions. [2021-06-10 16:24:43,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8697318007662835 [2021-06-10 16:24:43,929 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 227 transitions. [2021-06-10 16:24:43,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 227 transitions. [2021-06-10 16:24:43,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:43,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 227 transitions. [2021-06-10 16:24:43,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 25.22222222222222) internal successors, (227), 9 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:43,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:43,930 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:43,930 INFO L185 Difference]: Start difference. First operand has 265 places, 1041 transitions, 18750 flow. Second operand 9 states and 227 transitions. [2021-06-10 16:24:43,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 1255 transitions, 24004 flow [2021-06-10 16:24:44,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 1255 transitions, 22773 flow, removed 309 selfloop flow, removed 7 redundant places. [2021-06-10 16:24:44,686 INFO L241 Difference]: Finished difference. Result has 270 places, 1158 transitions, 20771 flow [2021-06-10 16:24:44,687 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=17653, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1041, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=771, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=20771, PETRI_PLACES=270, PETRI_TRANSITIONS=1158} [2021-06-10 16:24:44,687 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 238 predicate places. [2021-06-10 16:24:44,687 INFO L480 AbstractCegarLoop]: Abstraction has has 270 places, 1158 transitions, 20771 flow [2021-06-10 16:24:44,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 8 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) [2021-06-10 16:24:44,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:44,688 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:24:44,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-06-10 16:24:44,901 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:44,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:44,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1514738396, now seen corresponding path program 8 times [2021-06-10 16:24:44,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:44,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899573303] [2021-06-10 16:24:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:44,918 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-10 16:24:44,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:44,923 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-10 16:24:44,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:44,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:44,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:44,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 16:24:44,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:44,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899573303] [2021-06-10 16:24:44,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745135170] [2021-06-10 16:24:44,949 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 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 [2021-06-10 16:24:44,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:24:44,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:44,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-10 16:24:44,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:44,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:44,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:44,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:44,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:44,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:44,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:44,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:44,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:44,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:44,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:44,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:44,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:44,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:44,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:44,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:44,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:44,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:44,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:44,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:45,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:45,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:45,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:45,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:45,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:45,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:45,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:45,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:45,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:45,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:45,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:45,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:45,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:45,043 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-06-10 16:24:45,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:45,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:45,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:45,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:45,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:45,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:45,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:45,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-06-10 16:24:45,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525736750] [2021-06-10 16:24:45,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-10 16:24:45,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:45,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-10 16:24:45,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-06-10 16:24:45,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 29 [2021-06-10 16:24:45,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 1158 transitions, 20771 flow. Second operand has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:45,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:45,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 29 [2021-06-10 16:24:45,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:45,938 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 44#(= s2 s1), Black: 1279#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2038#(<= (+ i2 2) i1), Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:24:45,938 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:24:45,938 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:24:45,938 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:45,938 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:46,188 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: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2038#(<= (+ i2 2) i1), Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:24:46,188 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:24:46,188 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:24:46,188 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:46,188 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:46,379 INFO L129 PetriNetUnfolder]: 3190/5121 cut-off events. [2021-06-10 16:24:46,379 INFO L130 PetriNetUnfolder]: For 219777/219893 co-relation queries the response was YES. [2021-06-10 16:24:46,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65338 conditions, 5121 events. 3190/5121 cut-off events. For 219777/219893 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 32255 event pairs, 139 based on Foata normal form. 39/5139 useless extension candidates. Maximal degree in co-relation 64764. Up to 2139 conditions per place. [2021-06-10 16:24:46,463 INFO L132 encePairwiseOnDemand]: 21/29 looper letters, 696 selfloop transitions, 542 changer transitions 0/1439 dead transitions. [2021-06-10 16:24:46,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 1439 transitions, 28841 flow [2021-06-10 16:24:46,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 16:24:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 16:24:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 179 transitions. [2021-06-10 16:24:46,464 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8817733990147784 [2021-06-10 16:24:46,464 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 179 transitions. [2021-06-10 16:24:46,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 179 transitions. [2021-06-10 16:24:46,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:46,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 179 transitions. [2021-06-10 16:24:46,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:46,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:46,465 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:46,465 INFO L185 Difference]: Start difference. First operand has 270 places, 1158 transitions, 20771 flow. Second operand 7 states and 179 transitions. [2021-06-10 16:24:46,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 1439 transitions, 28841 flow [2021-06-10 16:24:47,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 1439 transitions, 28678 flow, removed 61 selfloop flow, removed 4 redundant places. [2021-06-10 16:24:47,120 INFO L241 Difference]: Finished difference. Result has 275 places, 1256 transitions, 24844 flow [2021-06-10 16:24:47,121 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=20620, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=447, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=630, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=24844, PETRI_PLACES=275, PETRI_TRANSITIONS=1256} [2021-06-10 16:24:47,121 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 243 predicate places. [2021-06-10 16:24:47,122 INFO L480 AbstractCegarLoop]: Abstraction has has 275 places, 1256 transitions, 24844 flow [2021-06-10 16:24:47,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:47,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:47,122 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] [2021-06-10 16:24:47,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:47,329 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:47,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:47,329 INFO L82 PathProgramCache]: Analyzing trace with hash -977810088, now seen corresponding path program 1 times [2021-06-10 16:24:47,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:47,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232225155] [2021-06-10 16:24:47,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:47,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:47,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:47,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232225155] [2021-06-10 16:24:47,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130205777] [2021-06-10 16:24:47,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-10 16:24:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:47,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-10 16:24:47,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:47,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:47,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:47,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:47,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:47,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:47,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:47,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:47,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:47,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:47,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:47,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:47,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:47,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:47,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:47,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:47,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:47,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:47,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:47,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:47,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:47,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:47,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:47,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:47,554 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-06-10 16:24:47,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:47,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:47,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:47,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:47,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 16:24:47,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:47,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-06-10 16:24:47,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673521842] [2021-06-10 16:24:47,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 16:24:47,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:47,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 16:24:47,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-10 16:24:47,557 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-06-10 16:24:47,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 1256 transitions, 24844 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) [2021-06-10 16:24:47,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:47,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-06-10 16:24:47,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:48,482 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 44#(= s2 s1), Black: 1279#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2038#(<= (+ i2 2) i1), Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2181#(and (<= i1 i2) (< i1 n)), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:24:48,482 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:24:48,482 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:24:48,482 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:48,482 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:48,739 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 44#(= s2 s1), Black: 1279#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2038#(<= (+ i2 2) i1), Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2181#(and (<= i1 i2) (< i1 n)), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), Black: 125#(<= (+ i1 1) i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:24:48,739 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:24:48,739 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:48,739 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:48,739 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:24:48,997 INFO L129 PetriNetUnfolder]: 3769/5989 cut-off events. [2021-06-10 16:24:48,998 INFO L130 PetriNetUnfolder]: For 297028/297112 co-relation queries the response was YES. [2021-06-10 16:24:49,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82017 conditions, 5989 events. 3769/5989 cut-off events. For 297028/297112 co-relation queries the response was YES. Maximal size of possible extension queue 494. Compared 37939 event pairs, 250 based on Foata normal form. 20/5986 useless extension candidates. Maximal degree in co-relation 81390. Up to 2668 conditions per place. [2021-06-10 16:24:49,100 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 562 selfloop transitions, 404 changer transitions 0/1384 dead transitions. [2021-06-10 16:24:49,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 1384 transitions, 29912 flow [2021-06-10 16:24:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-10 16:24:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-10 16:24:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2021-06-10 16:24:49,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9022988505747126 [2021-06-10 16:24:49,101 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 157 transitions. [2021-06-10 16:24:49,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 157 transitions. [2021-06-10 16:24:49,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:49,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 157 transitions. [2021-06-10 16:24:49,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:49,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:49,102 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:49,102 INFO L185 Difference]: Start difference. First operand has 275 places, 1256 transitions, 24844 flow. Second operand 6 states and 157 transitions. [2021-06-10 16:24:49,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 1384 transitions, 29912 flow [2021-06-10 16:24:50,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 1384 transitions, 29383 flow, removed 158 selfloop flow, removed 3 redundant places. [2021-06-10 16:24:50,319 INFO L241 Difference]: Finished difference. Result has 279 places, 1377 transitions, 28675 flow [2021-06-10 16:24:50,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=24402, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=285, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=928, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=28675, PETRI_PLACES=279, PETRI_TRANSITIONS=1377} [2021-06-10 16:24:50,321 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 247 predicate places. [2021-06-10 16:24:50,321 INFO L480 AbstractCegarLoop]: Abstraction has has 279 places, 1377 transitions, 28675 flow [2021-06-10 16:24:50,321 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) [2021-06-10 16:24:50,321 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:50,321 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] [2021-06-10 16:24:50,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-06-10 16:24:50,522 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:50,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:50,522 INFO L82 PathProgramCache]: Analyzing trace with hash 214438752, now seen corresponding path program 1 times [2021-06-10 16:24:50,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:50,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941236440] [2021-06-10 16:24:50,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:50,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:50,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:50,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:50,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941236440] [2021-06-10 16:24:50,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557162756] [2021-06-10 16:24:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-10 16:24:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:50,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-10 16:24:50,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:50,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:50,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:50,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:24:50,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-10 16:24:50,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:50,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:50,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:50,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:50,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:50,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:50,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:50,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:50,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:50,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:24:50,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:50,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:24:50,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:50,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:50,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:50,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:50,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:24:50,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:50,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 16:24:50,641 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-06-10 16:24:50,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:50,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:50,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:50,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:50,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:50,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:50,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-10 16:24:50,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-06-10 16:24:50,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967842666] [2021-06-10 16:24:50,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 16:24:50,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:50,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 16:24:50,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-10 16:24:50,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-06-10 16:24:50,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 1377 transitions, 28675 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) [2021-06-10 16:24:50,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:50,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-06-10 16:24:50,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:51,546 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2038#(<= (+ i2 2) i1), Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2181#(and (<= i1 i2) (< i1 n)), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:24:51,546 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:24:51,546 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:24:51,546 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:51,546 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:51,957 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][88], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2038#(<= (+ i2 2) i1), Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1331#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2181#(and (<= i1 i2) (< i1 n)), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:24:51,957 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:24:51,958 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:51,958 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:24:51,958 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:52,338 INFO L129 PetriNetUnfolder]: 4332/6830 cut-off events. [2021-06-10 16:24:52,338 INFO L130 PetriNetUnfolder]: For 362984/363066 co-relation queries the response was YES. [2021-06-10 16:24:52,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99485 conditions, 6830 events. 4332/6830 cut-off events. For 362984/363066 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 43552 event pairs, 326 based on Foata normal form. 18/6822 useless extension candidates. Maximal degree in co-relation 98769. Up to 3209 conditions per place. [2021-06-10 16:24:52,471 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 232 selfloop transitions, 800 changer transitions 0/1450 dead transitions. [2021-06-10 16:24:52,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 1450 transitions, 33149 flow [2021-06-10 16:24:52,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 16:24:52,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 16:24:52,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2021-06-10 16:24:52,472 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.903448275862069 [2021-06-10 16:24:52,472 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 131 transitions. [2021-06-10 16:24:52,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 131 transitions. [2021-06-10 16:24:52,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:52,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 131 transitions. [2021-06-10 16:24:52,473 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) [2021-06-10 16:24:52,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:52,473 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:52,473 INFO L185 Difference]: Start difference. First operand has 279 places, 1377 transitions, 28675 flow. Second operand 5 states and 131 transitions. [2021-06-10 16:24:52,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 1450 transitions, 33149 flow [2021-06-10 16:24:53,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 1450 transitions, 32582 flow, removed 248 selfloop flow, removed 2 redundant places. [2021-06-10 16:24:53,787 INFO L241 Difference]: Finished difference. Result has 284 places, 1448 transitions, 33330 flow [2021-06-10 16:24:53,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=28112, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=739, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=33330, PETRI_PLACES=284, PETRI_TRANSITIONS=1448} [2021-06-10 16:24:53,788 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 252 predicate places. [2021-06-10 16:24:53,788 INFO L480 AbstractCegarLoop]: Abstraction has has 284 places, 1448 transitions, 33330 flow [2021-06-10 16:24:53,788 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) [2021-06-10 16:24:53,788 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:53,788 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, 1] [2021-06-10 16:24:53,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:24:53,993 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:53,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:53,993 INFO L82 PathProgramCache]: Analyzing trace with hash 494767431, now seen corresponding path program 1 times [2021-06-10 16:24:53,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:53,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782549112] [2021-06-10 16:24:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:54,037 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:24:54,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:54,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:24:54,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:54,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:54,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:24:54,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:24:54,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:54,118 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:24:54,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:54,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:54,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782549112] [2021-06-10 16:24:54,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152454993] [2021-06-10 16:24:54,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-10 16:24:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:54,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:24:54,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:54,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:54,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:54,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:54,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:54,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:54,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:54,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:54,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:54,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:54,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:54,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:54,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:54,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,202 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:24:54,202 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:24:54,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:54,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:54,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:54,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:54,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:54,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:24:54,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:24:54,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,236 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-10 16:24:54,236 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-10 16:24:54,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:54,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:24:54,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:54,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:54,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:54,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:54,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:54,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:54,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:24:54,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:24:54,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:54,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:24:54,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:24:54,327 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,327 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 25 treesize of output 41 [2021-06-10 16:24:54,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,329 INFO L147 QuantifierPusher]: treesize reduction 7, result has 83.7 percent of original size 36 [2021-06-10 16:24:54,329 INFO L142 QuantifierPusher]: treesize reduction 7, result has 83.7 percent of original size [2021-06-10 16:24:54,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:24:54,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:24:54,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 16:24:54,343 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:24:54,343 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:39 [2021-06-10 16:24:54,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 16:24:54,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 16:24:54,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,387 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.0 percent of original size 40 [2021-06-10 16:24:54,387 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-06-10 16:24:54,388 INFO L147 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size 29 [2021-06-10 16:24:54,388 INFO L142 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size [2021-06-10 16:24:54,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:24:54,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:24:54,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,423 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:24:54,424 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:24:54,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:54,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:24:54,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:24:54,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,426 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:24:54,427 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:54,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,430 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-06-10 16:24:54,431 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-06-10 16:24:54,433 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-06-10 16:24:54,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:24:54,517 INFO L142 QuantifierPusher]: treesize reduction 55, result has 1.8 percent of original size [2021-06-10 16:24:54,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:54,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:54,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:54,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:54,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:54,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:54,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:24:54,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957850040] [2021-06-10 16:24:54,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:24:54,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:54,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:24:54,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:24:54,521 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:54,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 1448 transitions, 33330 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) [2021-06-10 16:24:54,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:54,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:54,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:24:54,752 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2021-06-10 16:24:56,708 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][110], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2038#(<= (+ i2 2) i1), Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 611#true, 1635#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2181#(and (<= i1 i2) (< i1 n)), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:24:56,708 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:24:56,708 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:24:56,708 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:56,708 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:24:57,016 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][110], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, 29#L23true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2038#(<= (+ i2 2) i1), Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 611#true, 1635#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2181#(and (<= i1 i2) (< i1 n)), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:24:57,016 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:24:57,016 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:24:57,016 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:24:57,016 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:24:57,683 INFO L129 PetriNetUnfolder]: 4471/7086 cut-off events. [2021-06-10 16:24:57,683 INFO L130 PetriNetUnfolder]: For 370755/370978 co-relation queries the response was YES. [2021-06-10 16:24:57,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108862 conditions, 7086 events. 4471/7086 cut-off events. For 370755/370978 co-relation queries the response was YES. Maximal size of possible extension queue 576. Compared 46088 event pairs, 310 based on Foata normal form. 79/7137 useless extension candidates. Maximal degree in co-relation 108099. Up to 5782 conditions per place. [2021-06-10 16:24:57,826 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1273 selfloop transitions, 315 changer transitions 0/1601 dead transitions. [2021-06-10 16:24:57,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 1601 transitions, 42197 flow [2021-06-10 16:24:57,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-10 16:24:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-06-10 16:24:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 747 transitions. [2021-06-10 16:24:57,828 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.780564263322884 [2021-06-10 16:24:57,828 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 747 transitions. [2021-06-10 16:24:57,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 747 transitions. [2021-06-10 16:24:57,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:24:57,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 747 transitions. [2021-06-10 16:24:57,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 22.636363636363637) internal successors, (747), 33 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:57,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 29.0) internal successors, (986), 34 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:57,831 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 29.0) internal successors, (986), 34 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:24:57,831 INFO L185 Difference]: Start difference. First operand has 284 places, 1448 transitions, 33330 flow. Second operand 33 states and 747 transitions. [2021-06-10 16:24:57,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 1601 transitions, 42197 flow [2021-06-10 16:24:59,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 1601 transitions, 41332 flow, removed 300 selfloop flow, removed 2 redundant places. [2021-06-10 16:24:59,143 INFO L241 Difference]: Finished difference. Result has 326 places, 1593 transitions, 38879 flow [2021-06-10 16:24:59,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=32573, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=197, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=38879, PETRI_PLACES=326, PETRI_TRANSITIONS=1593} [2021-06-10 16:24:59,145 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 294 predicate places. [2021-06-10 16:24:59,145 INFO L480 AbstractCegarLoop]: Abstraction has has 326 places, 1593 transitions, 38879 flow [2021-06-10 16:24:59,145 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) [2021-06-10 16:24:59,145 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:24:59,145 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, 1] [2021-06-10 16:24:59,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-06-10 16:24:59,345 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:24:59,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:24:59,346 INFO L82 PathProgramCache]: Analyzing trace with hash 551599967, now seen corresponding path program 2 times [2021-06-10 16:24:59,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:24:59,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175714039] [2021-06-10 16:24:59,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:24:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:24:59,386 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:24:59,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:59,403 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:24:59,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:59,412 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-06-10 16:24:59,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:59,421 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-10 16:24:59,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:24:59,432 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-06-10 16:24:59,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:24:59,446 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-06-10 16:24:59,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:24:59,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:24:59,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,495 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:24:59,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:59,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175714039] [2021-06-10 16:24:59,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753943895] [2021-06-10 16:24:59,510 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 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 [2021-06-10 16:24:59,533 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:24:59,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:24:59,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-10 16:24:59,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:24:59,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:24:59,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,566 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-06-10 16:24:59,566 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-06-10 16:24:59,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:59,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:59,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:59,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:59,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:59,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:24:59,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:24:59,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,597 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-06-10 16:24:59,605 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-10 16:24:59,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,626 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.5 percent of original size 23 [2021-06-10 16:24:59,627 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.3 percent of original size [2021-06-10 16:24:59,627 INFO L147 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size 20 [2021-06-10 16:24:59,627 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-06-10 16:24:59,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:59,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:24:59,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,644 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size 28 [2021-06-10 16:24:59,644 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-06-10 16:24:59,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:59,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:24:59,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:59,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:24:59,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:59,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:24:59,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:59,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:24:59,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:59,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:24:59,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:59,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:24:59,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:24:59,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:59,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:24:59,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:24:59,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:24:59,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:24:59,710 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,710 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 33 treesize of output 49 [2021-06-10 16:24:59,711 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-06-10 16:24:59,712 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size 37 [2021-06-10 16:24:59,712 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size [2021-06-10 16:24:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:24:59,713 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:24:59,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,729 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:24:59,729 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,731 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:24:59,732 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:59,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:59,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-10 16:24:59,734 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:10 [2021-06-10 16:24:59,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:24:59,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:59,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:59,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:59,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:24:59,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,788 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:24:59,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:24:59,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:24:59,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:24:59,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:24:59,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:59,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:24:59,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:24:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:24:59,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:24:59,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-10 16:24:59,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745383650] [2021-06-10 16:24:59,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-10 16:24:59,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:24:59,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-10 16:24:59,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-06-10 16:24:59,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:24:59,795 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 1593 transitions, 38879 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) [2021-06-10 16:24:59,795 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:24:59,795 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:24:59,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:25:01,735 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][108], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2432#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2334#(and (<= 0 s1) (<= s1 0) (= (select x i1) t11) (= s2 0)), Black: 2335#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:25:01,735 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:25:01,735 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:01,735 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:25:01,735 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:02,326 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][108], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, 29#L23true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2432#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2334#(and (<= 0 s1) (<= s1 0) (= (select x i1) t11) (= s2 0)), Black: 2335#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:25:02,326 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:25:02,326 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:25:02,326 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:25:02,326 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:25:02,865 INFO L129 PetriNetUnfolder]: 4552/7274 cut-off events. [2021-06-10 16:25:02,865 INFO L130 PetriNetUnfolder]: For 377570/377865 co-relation queries the response was YES. [2021-06-10 16:25:02,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112177 conditions, 7274 events. 4552/7274 cut-off events. For 377570/377865 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47944 event pairs, 305 based on Foata normal form. 91/7340 useless extension candidates. Maximal degree in co-relation 111366. Up to 5974 conditions per place. [2021-06-10 16:25:03,011 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1503 selfloop transitions, 149 changer transitions 0/1665 dead transitions. [2021-06-10 16:25:03,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 1665 transitions, 44989 flow [2021-06-10 16:25:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-10 16:25:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-10 16:25:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 483 transitions. [2021-06-10 16:25:03,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7931034482758621 [2021-06-10 16:25:03,013 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 483 transitions. [2021-06-10 16:25:03,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 483 transitions. [2021-06-10 16:25:03,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:25:03,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 483 transitions. [2021-06-10 16:25:03,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 23.0) internal successors, (483), 21 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:03,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:25:03,015 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:25:03,015 INFO L185 Difference]: Start difference. First operand has 326 places, 1593 transitions, 38879 flow. Second operand 21 states and 483 transitions. [2021-06-10 16:25:03,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 1665 transitions, 44989 flow [2021-06-10 16:25:04,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 1665 transitions, 42103 flow, removed 1418 selfloop flow, removed 9 redundant places. [2021-06-10 16:25:04,762 INFO L241 Difference]: Finished difference. Result has 343 places, 1661 transitions, 39105 flow [2021-06-10 16:25:04,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=36223, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=39105, PETRI_PLACES=343, PETRI_TRANSITIONS=1661} [2021-06-10 16:25:04,764 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 311 predicate places. [2021-06-10 16:25:04,764 INFO L480 AbstractCegarLoop]: Abstraction has has 343 places, 1661 transitions, 39105 flow [2021-06-10 16:25:04,764 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) [2021-06-10 16:25:04,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:25:04,764 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:25:04,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-06-10 16:25:04,965 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:25:04,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:25:04,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1854320845, now seen corresponding path program 9 times [2021-06-10 16:25:04,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:25:04,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083535963] [2021-06-10 16:25:04,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:25:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:25:04,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:25:04,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:04,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:04,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:04,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:04,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:05,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:25:05,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:05,064 INFO L142 QuantifierPusher]: treesize reduction 18, result has 53.8 percent of original size [2021-06-10 16:25:05,064 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-06-10 16:25:05,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,102 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:25:05,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:05,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083535963] [2021-06-10 16:25:05,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070475417] [2021-06-10 16:25:05,122 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 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 [2021-06-10 16:25:05,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-10 16:25:05,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:25:05,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-10 16:25:05,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:25:05,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:25:05,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:25:05,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:25:05,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:25:05,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:25:05,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:25:05,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:25:05,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:25:05,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:25:05,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:25:05,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:25:05,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:25:05,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:25:05,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:25:05,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:25:05,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:25:05,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:05,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,280 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-10 16:25:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:25:05,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,283 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-10 16:25:05,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:05,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:25:05,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:25:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:05,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:25:05,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:05,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:25:05,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:05,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:25:05,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:05,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:25:05,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:25:05,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:25:05,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:05,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:05,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:05,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:05,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:25:05,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:25:05,461 INFO L354 Elim1Store]: treesize reduction 10, result has 81.8 percent of original size [2021-06-10 16:25:05,461 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 24 treesize of output 58 [2021-06-10 16:25:05,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,464 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-06-10 16:25:05,465 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,466 INFO L142 QuantifierPusher]: treesize reduction 12, result has 86.4 percent of original size [2021-06-10 16:25:05,468 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-06-10 16:25:05,468 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:25:05,469 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,470 INFO L147 QuantifierPusher]: treesize reduction 5, result has 92.6 percent of original size 63 [2021-06-10 16:25:05,471 INFO L147 QuantifierPusher]: treesize reduction 5, result has 93.5 percent of original size 72 [2021-06-10 16:25:05,471 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.5 percent of original size [2021-06-10 16:25:05,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-06-10 16:25:05,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:25:05,527 INFO L628 ElimStorePlain]: treesize reduction 22, result has 72.5 percent of original size [2021-06-10 16:25:05,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,528 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-10 16:25:05,529 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,531 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-10 16:25:05,532 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,535 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-06-10 16:25:05,535 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,539 INFO L147 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size 35 [2021-06-10 16:25:05,540 INFO L147 QuantifierPusher]: treesize reduction 30, result has 69.7 percent of original size 69 [2021-06-10 16:25:05,541 INFO L147 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size 78 [2021-06-10 16:25:05,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:25:05,542 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:108 [2021-06-10 16:25:05,542 INFO L142 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-06-10 16:25:05,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-06-10 16:25:05,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-06-10 16:25:05,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,595 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-06-10 16:25:05,595 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.2 percent of original size [2021-06-10 16:25:05,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 16:25:05,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-10 16:25:05,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,597 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term [2021-06-10 16:25:05,597 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:25:05,598 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,600 INFO L147 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size 40 [2021-06-10 16:25:05,600 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-06-10 16:25:05,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-10 16:25:05,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:05,712 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-06-10 16:25:05,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:05,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 16:25:05,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:05,715 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-06-10 16:25:05,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:05,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:05,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:05,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:05,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:05,716 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:05,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:25:05,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:25:05,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225148550] [2021-06-10 16:25:05,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:25:05,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:25:05,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:25:05,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:25:05,718 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:25:05,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 1661 transitions, 39105 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) [2021-06-10 16:25:05,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:25:05,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:25:05,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:25:08,343 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][112], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2571#true, Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2432#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2334#(and (<= 0 s1) (<= s1 0) (= (select x i1) t11) (= s2 0)), Black: 2335#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:25:08,343 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:25:08,343 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:08,343 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:25:08,343 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:08,882 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][112], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2571#true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1549#true, 1805#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, 29#L23true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2432#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, Black: 2334#(and (<= 0 s1) (<= s1 0) (= (select x i1) t11) (= s2 0)), Black: 2335#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:25:08,883 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:25:08,883 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:25:08,883 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:25:08,883 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:25:09,552 INFO L129 PetriNetUnfolder]: 4847/7763 cut-off events. [2021-06-10 16:25:09,552 INFO L130 PetriNetUnfolder]: For 425557/425712 co-relation queries the response was YES. [2021-06-10 16:25:09,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121513 conditions, 7763 events. 4847/7763 cut-off events. For 425557/425712 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 51784 event pairs, 322 based on Foata normal form. 50/7789 useless extension candidates. Maximal degree in co-relation 120660. Up to 6123 conditions per place. [2021-06-10 16:25:09,915 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1264 selfloop transitions, 578 changer transitions 0/1855 dead transitions. [2021-06-10 16:25:09,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 1855 transitions, 52050 flow [2021-06-10 16:25:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-10 16:25:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-10 16:25:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 880 transitions. [2021-06-10 16:25:09,917 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7985480943738656 [2021-06-10 16:25:09,917 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 880 transitions. [2021-06-10 16:25:09,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 880 transitions. [2021-06-10 16:25:09,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:25:09,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 880 transitions. [2021-06-10 16:25:09,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 23.157894736842106) internal successors, (880), 38 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:09,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 29.0) internal successors, (1131), 39 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:09,920 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 29.0) internal successors, (1131), 39 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:09,920 INFO L185 Difference]: Start difference. First operand has 343 places, 1661 transitions, 39105 flow. Second operand 38 states and 880 transitions. [2021-06-10 16:25:09,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 1855 transitions, 52050 flow [2021-06-10 16:25:11,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 1855 transitions, 50780 flow, removed 598 selfloop flow, removed 10 redundant places. [2021-06-10 16:25:11,713 INFO L241 Difference]: Finished difference. Result has 375 places, 1852 transitions, 48381 flow [2021-06-10 16:25:11,714 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=37911, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1661, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=421, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=48381, PETRI_PLACES=375, PETRI_TRANSITIONS=1852} [2021-06-10 16:25:11,714 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 343 predicate places. [2021-06-10 16:25:11,714 INFO L480 AbstractCegarLoop]: Abstraction has has 375 places, 1852 transitions, 48381 flow [2021-06-10 16:25:11,714 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) [2021-06-10 16:25:11,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:25:11,714 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, 1] [2021-06-10 16:25:11,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:25:11,915 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:25:11,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:25:11,915 INFO L82 PathProgramCache]: Analyzing trace with hash 984028857, now seen corresponding path program 3 times [2021-06-10 16:25:11,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:25:11,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2460665] [2021-06-10 16:25:11,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:25:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:25:11,934 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:25:11,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:11,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:11,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:11,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:11,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:11,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:11,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:11,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:11,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:11,983 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-06-10 16:25:11,983 INFO L147 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size 18 [2021-06-10 16:25:12,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:12,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,032 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:25:12,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:12,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2460665] [2021-06-10 16:25:12,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864564503] [2021-06-10 16:25:12,046 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) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:25:12,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-10 16:25:12,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:25:12,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-10 16:25:12,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:25:12,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:12,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:12,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:12,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:12,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:12,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:12,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:12,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:12,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:12,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,104 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-06-10 16:25:12,104 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-06-10 16:25:12,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:12,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:12,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:12,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:12,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,141 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.2 percent of original size 25 [2021-06-10 16:25:12,142 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.0 percent of original size [2021-06-10 16:25:12,142 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-06-10 16:25:12,142 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-06-10 16:25:12,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:12,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:12,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:25:12,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:12,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:25:12,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:12,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:12,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:25:12,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:12,177 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,177 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 [2021-06-10 16:25:12,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,179 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-06-10 16:25:12,179 INFO L142 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size [2021-06-10 16:25:12,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:25:12,180 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:25:12,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:25:12,196 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:25:12,196 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:38 [2021-06-10 16:25:12,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:25:12,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:25:12,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,235 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size 44 [2021-06-10 16:25:12,236 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size [2021-06-10 16:25:12,236 INFO L147 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size 37 [2021-06-10 16:25:12,237 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-06-10 16:25:12,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:12,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:12,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:12,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:12,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:12,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:12,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:12,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:12,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:12,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:12,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,279 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.7 percent of original size 39 [2021-06-10 16:25:12,279 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.0 percent of original size [2021-06-10 16:25:12,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:12,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:12,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 16:25:12,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,281 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:25:12,282 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:12,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,283 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:25:12,284 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:12,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:12,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:12,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:12,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:12,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:12,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:12,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:12,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:12,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,329 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:25:12,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:12,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:12,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:12,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:12,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:12,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:12,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:12,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:25:12,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-10 16:25:12,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660898102] [2021-06-10 16:25:12,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-10 16:25:12,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:25:12,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-10 16:25:12,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-06-10 16:25:12,338 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:25:12,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 1852 transitions, 48381 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) [2021-06-10 16:25:12,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:25:12,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:25:12,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:25:15,647 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][109], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2571#true, Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2432#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2674#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (= (select x i2) t12) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2694#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) (+ s1 (select x i2))) (< v_i1_45 n))) (or (and (<= s2 s1) (<= s1 s2)) (<= (+ i2 2) i1) (<= i1 i2)) (= (select x i1) t11)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2334#(and (<= 0 s1) (<= s1 0) (= (select x i1) t11) (= s2 0)), Black: 2335#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:25:15,647 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:25:15,647 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:15,647 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:15,647 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:25:16,086 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][109], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2571#true, Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, 29#L23true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1880#(and (= s1 0) (= i1 (+ s1 1)) (= t11 t22) (< s1 n) (= (select x i2) t22) (<= s2 s1) (<= s1 s2) (= i2 (+ s1 1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 611#true, 1635#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2432#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2674#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (= (select x i2) t12) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2694#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) (+ s1 (select x i2))) (< v_i1_45 n))) (or (and (<= s2 s1) (<= s1 s2)) (<= (+ i2 2) i1) (<= i1 i2)) (= (select x i1) t11)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, Black: 2334#(and (<= 0 s1) (<= s1 0) (= (select x i1) t11) (= s2 0)), Black: 2335#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 419#(and (or (not (= i2 i1)) (= t12 s1)) (= s2 0)), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:25:16,086 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:25:16,086 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:25:16,086 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:25:16,086 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:25:17,037 INFO L129 PetriNetUnfolder]: 4994/7969 cut-off events. [2021-06-10 16:25:17,037 INFO L130 PetriNetUnfolder]: For 453515/453664 co-relation queries the response was YES. [2021-06-10 16:25:17,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127912 conditions, 7969 events. 4994/7969 cut-off events. For 453515/453664 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 53015 event pairs, 271 based on Foata normal form. 52/7995 useless extension candidates. Maximal degree in co-relation 127034. Up to 6435 conditions per place. [2021-06-10 16:25:17,208 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1504 selfloop transitions, 491 changer transitions 0/2008 dead transitions. [2021-06-10 16:25:17,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 2008 transitions, 58449 flow [2021-06-10 16:25:17,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-10 16:25:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-06-10 16:25:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 898 transitions. [2021-06-10 16:25:17,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7939876215738285 [2021-06-10 16:25:17,209 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 898 transitions. [2021-06-10 16:25:17,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 898 transitions. [2021-06-10 16:25:17,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:25:17,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 898 transitions. [2021-06-10 16:25:17,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 23.025641025641026) internal successors, (898), 39 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:17,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 29.0) internal successors, (1160), 40 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:17,211 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 29.0) internal successors, (1160), 40 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:17,211 INFO L185 Difference]: Start difference. First operand has 375 places, 1852 transitions, 48381 flow. Second operand 39 states and 898 transitions. [2021-06-10 16:25:17,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 2008 transitions, 58449 flow [2021-06-10 16:25:19,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 2008 transitions, 50435 flow, removed 3836 selfloop flow, removed 12 redundant places. [2021-06-10 16:25:19,049 INFO L241 Difference]: Finished difference. Result has 407 places, 2007 transitions, 47856 flow [2021-06-10 16:25:19,050 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=40947, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1852, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=359, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=47856, PETRI_PLACES=407, PETRI_TRANSITIONS=2007} [2021-06-10 16:25:19,051 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 375 predicate places. [2021-06-10 16:25:19,051 INFO L480 AbstractCegarLoop]: Abstraction has has 407 places, 2007 transitions, 47856 flow [2021-06-10 16:25:19,051 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) [2021-06-10 16:25:19,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:25:19,051 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, 1] [2021-06-10 16:25:19,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-10 16:25:19,273 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:25:19,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:25:19,273 INFO L82 PathProgramCache]: Analyzing trace with hash -813039471, now seen corresponding path program 1 times [2021-06-10 16:25:19,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:25:19,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145014149] [2021-06-10 16:25:19,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:25:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:25:19,317 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:25:19,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,331 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:25:19,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:19,342 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:25:19,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:19,354 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:25:19,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:19,368 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-06-10 16:25:19,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:25:19,381 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-06-10 16:25:19,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:25:19,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:25:19,421 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:25:19,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:19,441 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:25:19,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:19,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:19,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145014149] [2021-06-10 16:25:19,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398613726] [2021-06-10 16:25:19,461 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 [2021-06-10 16:25:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:25:19,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:25:19,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:25:19,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:19,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:19,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:19,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:19,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:19,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:19,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:19,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:19,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:19,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:19,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:19,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:19,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,520 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-10 16:25:19,520 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-10 16:25:19,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:19,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:19,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:19,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:19,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:19,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:19,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:19,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:19,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:19,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,566 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:25:19,567 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:25:19,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:19,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:19,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:19,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:19,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:19,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:19,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,608 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-06-10 16:25:19,608 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-10 16:25:19,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:19,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:19,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:19,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:19,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:19,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:19,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:19,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:19,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:19,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:19,646 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,646 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 [2021-06-10 16:25:19,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,647 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:25:19,648 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:25:19,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:19,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:25:19,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:19,659 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:25:19,659 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-06-10 16:25:19,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:19,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:19,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,684 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:25:19,684 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:25:19,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:19,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:19,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:25:19,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,686 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:25:19,687 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:19,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:25:19,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:19,764 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:25:19,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:19,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:19,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:19,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:19,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:19,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:25:19,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:25:19,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900968152] [2021-06-10 16:25:19,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:25:19,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:25:19,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:25:19,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:25:19,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:25:19,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 2007 transitions, 47856 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) [2021-06-10 16:25:19,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:25:19,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:25:19,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:25:22,256 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][122], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 611#true, 1635#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2674#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (= (select x i2) t12) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2694#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) (+ s1 (select x i2))) (< v_i1_45 n))) (or (and (<= s2 s1) (<= s1 s2)) (<= (+ i2 2) i1) (<= i1 i2)) (= (select x i1) t11)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), 2709#true, Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:25:22,257 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:25:22,257 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:25:22,257 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:22,257 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:22,749 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][122], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, 2571#true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), 29#L23true, Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 44#(= s2 s1), Black: 1279#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, 1635#true, Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2674#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (= (select x i2) t12) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2694#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) (+ s1 (select x i2))) (< v_i1_45 n))) (or (and (<= s2 s1) (<= s1 s2)) (<= (+ i2 2) i1) (<= i1 i2)) (= (select x i1) t11)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:25:22,749 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:25:22,749 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:25:22,749 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:25:22,749 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:25:23,749 INFO L129 PetriNetUnfolder]: 5067/8089 cut-off events. [2021-06-10 16:25:23,750 INFO L130 PetriNetUnfolder]: For 451831/451980 co-relation queries the response was YES. [2021-06-10 16:25:23,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125423 conditions, 8089 events. 5067/8089 cut-off events. For 451831/451980 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 53963 event pairs, 311 based on Foata normal form. 51/8115 useless extension candidates. Maximal degree in co-relation 124511. Up to 6654 conditions per place. [2021-06-10 16:25:23,958 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1879 selfloop transitions, 169 changer transitions 0/2061 dead transitions. [2021-06-10 16:25:23,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 2061 transitions, 54598 flow [2021-06-10 16:25:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-10 16:25:23,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-10 16:25:23,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 533 transitions. [2021-06-10 16:25:23,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7991004497751124 [2021-06-10 16:25:23,959 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 533 transitions. [2021-06-10 16:25:23,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 533 transitions. [2021-06-10 16:25:23,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:25:23,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 533 transitions. [2021-06-10 16:25:23,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 23.17391304347826) internal successors, (533), 23 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:23,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 29.0) internal successors, (696), 24 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:23,961 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 29.0) internal successors, (696), 24 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:23,961 INFO L185 Difference]: Start difference. First operand has 407 places, 2007 transitions, 47856 flow. Second operand 23 states and 533 transitions. [2021-06-10 16:25:23,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 2061 transitions, 54598 flow [2021-06-10 16:25:26,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 2061 transitions, 51781 flow, removed 1276 selfloop flow, removed 18 redundant places. [2021-06-10 16:25:26,184 INFO L241 Difference]: Finished difference. Result has 414 places, 2058 transitions, 47962 flow [2021-06-10 16:25:26,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=45057, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2007, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1874, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=47962, PETRI_PLACES=414, PETRI_TRANSITIONS=2058} [2021-06-10 16:25:26,187 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 382 predicate places. [2021-06-10 16:25:26,187 INFO L480 AbstractCegarLoop]: Abstraction has has 414 places, 2058 transitions, 47962 flow [2021-06-10 16:25:26,187 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) [2021-06-10 16:25:26,187 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:25:26,187 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, 1] [2021-06-10 16:25:26,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:25:26,401 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:25:26,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:25:26,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1423190203, now seen corresponding path program 2 times [2021-06-10 16:25:26,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:25:26,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498316964] [2021-06-10 16:25:26,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:25:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:25:26,434 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:25:26,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:26,447 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:25:26,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:26,456 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:25:26,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:26,465 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:25:26,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:26,475 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 16:25:26,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:25:26,490 INFO L142 QuantifierPusher]: treesize reduction 38, result has 32.1 percent of original size [2021-06-10 16:25:26,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:26,503 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-06-10 16:25:26,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:26,517 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:25:26,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:26,531 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:25:26,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:26,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:26,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498316964] [2021-06-10 16:25:26,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049153922] [2021-06-10 16:25:26,545 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 [2021-06-10 16:25:26,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:25:26,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:25:26,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:25:26,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:25:26,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:26,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:26,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:26,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:26,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:26,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,613 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-10 16:25:26,613 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-10 16:25:26,614 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:25:26,614 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:25:26,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:26,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:26,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:26,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:26,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:26,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:26,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,649 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-06-10 16:25:26,649 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-06-10 16:25:26,649 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-10 16:25:26,649 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-10 16:25:26,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:26,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:26,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:25:26,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:26,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:25:26,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:26,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:26,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:25:26,680 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,680 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 [2021-06-10 16:25:26,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:26,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:26,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:25:26,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:25:26,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:25:26,694 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-06-10 16:25:26,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:25:26,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:25:26,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 16:25:26,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,718 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-06-10 16:25:26,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-06-10 16:25:26,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:25:26,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:25:26,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:25:26,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:26,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:26,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:26,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,778 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-06-10 16:25:26,778 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-06-10 16:25:26,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:26,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:26,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:25:26,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,780 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:25:26,780 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:26,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,782 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size 36 [2021-06-10 16:25:26,782 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-06-10 16:25:26,782 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size [2021-06-10 16:25:26,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:26,848 INFO L142 QuantifierPusher]: treesize reduction 51, result has 1.9 percent of original size [2021-06-10 16:25:26,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:26,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:26,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:26,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:26,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:26,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:25:26,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:25:26,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871283425] [2021-06-10 16:25:26,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:25:26,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:25:26,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:25:26,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:25:26,852 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:25:26,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 2058 transitions, 47962 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) [2021-06-10 16:25:26,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:25:26,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:25:26,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:25:29,398 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][139], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2694#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) (+ s1 (select x i2))) (< v_i1_45 n))) (or (and (<= s2 s1) (<= s1 s2)) (<= (+ i2 2) i1) (<= i1 i2)) (= (select x i1) t11)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:25:29,399 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:25:29,399 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:25:29,399 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:29,399 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:29,857 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][139], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), 29#L23true, Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2694#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) (+ s1 (select x i2))) (< v_i1_45 n))) (or (and (<= s2 s1) (<= s1 s2)) (<= (+ i2 2) i1) (<= i1 i2)) (= (select x i1) t11)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1)]) [2021-06-10 16:25:29,857 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:25:29,857 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:25:29,857 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:25:29,857 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:25:30,784 INFO L129 PetriNetUnfolder]: 5109/8170 cut-off events. [2021-06-10 16:25:30,785 INFO L130 PetriNetUnfolder]: For 466991/467177 co-relation queries the response was YES. [2021-06-10 16:25:30,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126071 conditions, 8170 events. 5109/8170 cut-off events. For 466991/467177 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 54850 event pairs, 233 based on Foata normal form. 62/8205 useless extension candidates. Maximal degree in co-relation 125142. Up to 6721 conditions per place. [2021-06-10 16:25:30,954 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1927 selfloop transitions, 156 changer transitions 0/2096 dead transitions. [2021-06-10 16:25:30,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 2096 transitions, 53883 flow [2021-06-10 16:25:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-10 16:25:30,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-10 16:25:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 462 transitions. [2021-06-10 16:25:30,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7965517241379311 [2021-06-10 16:25:30,955 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 462 transitions. [2021-06-10 16:25:30,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 462 transitions. [2021-06-10 16:25:30,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:25:30,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 462 transitions. [2021-06-10 16:25:30,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.1) internal successors, (462), 20 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:30,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:30,957 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:30,957 INFO L185 Difference]: Start difference. First operand has 414 places, 2058 transitions, 47962 flow. Second operand 20 states and 462 transitions. [2021-06-10 16:25:30,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 2096 transitions, 53883 flow [2021-06-10 16:25:33,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 2096 transitions, 52402 flow, removed 718 selfloop flow, removed 9 redundant places. [2021-06-10 16:25:33,137 INFO L241 Difference]: Finished difference. Result has 427 places, 2096 transitions, 48655 flow [2021-06-10 16:25:33,139 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=46481, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1927, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=48655, PETRI_PLACES=427, PETRI_TRANSITIONS=2096} [2021-06-10 16:25:33,139 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 395 predicate places. [2021-06-10 16:25:33,139 INFO L480 AbstractCegarLoop]: Abstraction has has 427 places, 2096 transitions, 48655 flow [2021-06-10 16:25:33,139 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) [2021-06-10 16:25:33,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:25:33,140 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, 1] [2021-06-10 16:25:33,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-06-10 16:25:33,362 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:25:33,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:25:33,362 INFO L82 PathProgramCache]: Analyzing trace with hash 920797249, now seen corresponding path program 3 times [2021-06-10 16:25:33,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:25:33,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359723688] [2021-06-10 16:25:33,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:25:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:25:33,392 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:25:33,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:33,414 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:25:33,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:33,430 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:25:33,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:33,458 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:25:33,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:33,471 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 16:25:33,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:25:33,488 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-06-10 16:25:33,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:33,505 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-06-10 16:25:33,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:33,522 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:25:33,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:33,539 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:25:33,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:33,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:33,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359723688] [2021-06-10 16:25:33,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465076810] [2021-06-10 16:25:33,556 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 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 [2021-06-10 16:25:33,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-10 16:25:33,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:25:33,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:25:33,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:25:33,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:33,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,614 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:25:33,615 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:25:33,615 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-10 16:25:33,615 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-10 16:25:33,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:33,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:33,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:33,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:33,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:33,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:33,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:33,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:33,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:33,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:33,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:33,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:33,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,706 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-10 16:25:33,706 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-10 16:25:33,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:33,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:33,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:33,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:33,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:33,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:33,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:33,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:33,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:33,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:33,741 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,742 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 [2021-06-10 16:25:33,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:33,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:33,744 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:25:33,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:33,756 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:25:33,756 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-06-10 16:25:33,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:33,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:33,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:25:33,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,786 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:25:33,786 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:25:33,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:33,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:33,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:33,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:33,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:33,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:33,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:33,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:33,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:33,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:33,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,821 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:25:33,821 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:25:33,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:33,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:33,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:25:33,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,823 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:25:33,824 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:25:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:33,875 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:25:33,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:33,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:33,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:33,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:33,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:25:33,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:25:33,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658722461] [2021-06-10 16:25:33,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:25:33,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:25:33,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:25:33,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:25:33,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:25:33,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 2096 transitions, 48655 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) [2021-06-10 16:25:33,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:25:33,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:25:33,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:25:34,340 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2021-06-10 16:25:36,709 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][137], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2694#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) (+ s1 (select x i2))) (< v_i1_45 n))) (or (and (<= s2 s1) (<= s1 s2)) (<= (+ i2 2) i1) (<= i1 i2)) (= (select x i1) t11)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:25:36,710 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:25:36,710 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:36,710 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:25:36,710 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:37,211 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][137], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), 29#L23true, Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, 1635#true, Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), 2961#true, Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2694#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) (+ s1 (select x i2))) (< v_i1_45 n))) (or (and (<= s2 s1) (<= s1 s2)) (<= (+ i2 2) i1) (<= i1 i2)) (= (select x i1) t11)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:25:37,211 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:25:37,211 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:25:37,211 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:25:37,211 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:25:38,137 INFO L129 PetriNetUnfolder]: 5185/8281 cut-off events. [2021-06-10 16:25:38,138 INFO L130 PetriNetUnfolder]: For 488901/489028 co-relation queries the response was YES. [2021-06-10 16:25:38,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129164 conditions, 8281 events. 5185/8281 cut-off events. For 488901/489028 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 55497 event pairs, 250 based on Foata normal form. 51/8300 useless extension candidates. Maximal degree in co-relation 128244. Up to 6783 conditions per place. [2021-06-10 16:25:38,321 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1921 selfloop transitions, 239 changer transitions 0/2173 dead transitions. [2021-06-10 16:25:38,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 2173 transitions, 56414 flow [2021-06-10 16:25:38,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-10 16:25:38,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-06-10 16:25:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 626 transitions. [2021-06-10 16:25:38,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7994891443167306 [2021-06-10 16:25:38,323 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 626 transitions. [2021-06-10 16:25:38,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 626 transitions. [2021-06-10 16:25:38,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:25:38,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 626 transitions. [2021-06-10 16:25:38,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 23.185185185185187) internal successors, (626), 27 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:38,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 29.0) internal successors, (812), 28 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:38,325 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 29.0) internal successors, (812), 28 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:38,325 INFO L185 Difference]: Start difference. First operand has 427 places, 2096 transitions, 48655 flow. Second operand 27 states and 626 transitions. [2021-06-10 16:25:38,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 2173 transitions, 56414 flow [2021-06-10 16:25:40,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 2173 transitions, 54867 flow, removed 734 selfloop flow, removed 9 redundant places. [2021-06-10 16:25:40,574 INFO L241 Difference]: Finished difference. Result has 451 places, 2169 transitions, 51219 flow [2021-06-10 16:25:40,576 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=47240, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2096, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1887, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=51219, PETRI_PLACES=451, PETRI_TRANSITIONS=2169} [2021-06-10 16:25:40,576 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 419 predicate places. [2021-06-10 16:25:40,576 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 2169 transitions, 51219 flow [2021-06-10 16:25:40,576 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) [2021-06-10 16:25:40,576 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:25:40,576 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, 1] [2021-06-10 16:25:40,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-06-10 16:25:40,777 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:25:40,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:25:40,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1101619681, now seen corresponding path program 4 times [2021-06-10 16:25:40,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:25:40,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371242852] [2021-06-10 16:25:40,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:25:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:25:40,803 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:25:40,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:40,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:40,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:40,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:40,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:40,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:40,874 INFO L142 QuantifierPusher]: treesize reduction 24, result has 38.5 percent of original size [2021-06-10 16:25:40,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:40,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:40,901 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:25:40,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:40,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:40,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371242852] [2021-06-10 16:25:40,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439752038] [2021-06-10 16:25:40,917 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 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 [2021-06-10 16:25:40,943 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:25:40,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:25:40,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:25:40,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:25:40,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:40,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:40,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:40,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:40,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:40,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:40,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:40,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:40,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:40,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:40,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:40,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:40,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:40,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:40,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:40,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:40,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:41,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:41,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:41,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:41,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:41,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:41,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:41,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:41,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:41,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:41,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:41,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:41,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:41,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:41,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:41,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:41,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:41,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:41,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:41,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:41,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:41,104 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,105 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 [2021-06-10 16:25:41,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:41,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:41,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:25:41,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:41,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:25:41,122 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-06-10 16:25:41,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:41,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:41,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,153 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-06-10 16:25:41,153 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-06-10 16:25:41,154 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:25:41,154 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:25:41,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:41,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:41,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,187 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:25:41,188 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:25:41,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:41,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:41,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:25:41,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,191 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:25:41,191 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:41,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,193 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:25:41,194 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:25:41,195 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:25:41,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,376 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-06-10 16:25:41,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:25:41,380 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:25:41,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:41,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:41,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:41,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:41,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:41,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:25:41,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:25:41,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126767007] [2021-06-10 16:25:41,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:25:41,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:25:41,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:25:41,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:25:41,383 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:25:41,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 2169 transitions, 51219 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) [2021-06-10 16:25:41,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:25:41,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:25:41,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:25:44,486 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][137], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3076#(or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))), Black: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 3191#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2694#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) (+ s1 (select x i2))) (< v_i1_45 n))) (or (and (<= s2 s1) (<= s1 s2)) (<= (+ i2 2) i1) (<= i1 i2)) (= (select x i1) t11)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:25:44,486 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:25:44,486 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:44,486 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:44,486 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:25:45,289 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][137], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), 29#L23true, Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3076#(or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))), Black: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 3191#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), 2961#true, Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2694#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) (+ s1 (select x i2))) (< v_i1_45 n))) (or (and (<= s2 s1) (<= s1 s2)) (<= (+ i2 2) i1) (<= i1 i2)) (= (select x i1) t11)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:25:45,289 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:25:45,289 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:25:45,289 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:25:45,289 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:25:46,193 INFO L129 PetriNetUnfolder]: 5593/8989 cut-off events. [2021-06-10 16:25:46,193 INFO L130 PetriNetUnfolder]: For 577242/577361 co-relation queries the response was YES. [2021-06-10 16:25:46,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144423 conditions, 8989 events. 5593/8989 cut-off events. For 577242/577361 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 61370 event pairs, 285 based on Foata normal form. 54/9016 useless extension candidates. Maximal degree in co-relation 143382. Up to 7072 conditions per place. [2021-06-10 16:25:46,638 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1748 selfloop transitions, 669 changer transitions 0/2430 dead transitions. [2021-06-10 16:25:46,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 2430 transitions, 67577 flow [2021-06-10 16:25:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-10 16:25:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-10 16:25:46,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 886 transitions. [2021-06-10 16:25:46,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8039927404718693 [2021-06-10 16:25:46,639 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 886 transitions. [2021-06-10 16:25:46,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 886 transitions. [2021-06-10 16:25:46,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:25:46,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 886 transitions. [2021-06-10 16:25:46,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 23.31578947368421) internal successors, (886), 38 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:46,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 29.0) internal successors, (1131), 39 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:46,642 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 29.0) internal successors, (1131), 39 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:46,642 INFO L185 Difference]: Start difference. First operand has 451 places, 2169 transitions, 51219 flow. Second operand 38 states and 886 transitions. [2021-06-10 16:25:46,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 2430 transitions, 67577 flow [2021-06-10 16:25:48,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 2430 transitions, 65579 flow, removed 954 selfloop flow, removed 12 redundant places. [2021-06-10 16:25:49,040 INFO L241 Difference]: Finished difference. Result has 484 places, 2421 transitions, 62488 flow [2021-06-10 16:25:49,042 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=49297, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=462, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1625, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=62488, PETRI_PLACES=484, PETRI_TRANSITIONS=2421} [2021-06-10 16:25:49,042 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 452 predicate places. [2021-06-10 16:25:49,042 INFO L480 AbstractCegarLoop]: Abstraction has has 484 places, 2421 transitions, 62488 flow [2021-06-10 16:25:49,042 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) [2021-06-10 16:25:49,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:25:49,042 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, 1] [2021-06-10 16:25:49,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-06-10 16:25:49,243 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:25:49,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:25:49,243 INFO L82 PathProgramCache]: Analyzing trace with hash 398206507, now seen corresponding path program 4 times [2021-06-10 16:25:49,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:25:49,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120503830] [2021-06-10 16:25:49,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:25:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:25:49,263 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:25:49,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:25:49,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:25:49,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:49,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:49,300 INFO L142 QuantifierPusher]: treesize reduction 29, result has 43.1 percent of original size [2021-06-10 16:25:49,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:25:49,315 INFO L142 QuantifierPusher]: treesize reduction 24, result has 42.9 percent of original size [2021-06-10 16:25:49,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:49,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:49,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:49,360 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:25:49,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:49,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:49,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120503830] [2021-06-10 16:25:49,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297775128] [2021-06-10 16:25:49,377 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 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 [2021-06-10 16:25:49,414 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:25:49,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:25:49,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:25:49,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:25:49,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:49,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:49,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:49,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:49,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:49,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:49,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:49,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:49,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:49,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:49,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:49,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:49,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:49,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,458 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:25:49,459 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:25:49,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:49,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:49,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:49,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:49,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:49,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:49,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:49,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:49,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:49,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:49,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:49,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:49,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:49,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:49,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:49,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:49,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:49,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:49,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:49,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:49,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:49,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:49,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:25:49,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:49,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:25:49,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:25:49,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:49,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:25:49,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:25:49,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,549 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 [2021-06-10 16:25:49,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:25:49,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:25:49,551 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:25:49,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:49,566 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:25:49,566 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:37 [2021-06-10 16:25:49,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:49,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:25:49,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,601 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size 38 [2021-06-10 16:25:49,601 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size [2021-06-10 16:25:49,602 INFO L147 QuantifierPusher]: treesize reduction 7, result has 84.8 percent of original size 39 [2021-06-10 16:25:49,602 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.8 percent of original size [2021-06-10 16:25:49,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 16:25:49,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 16:25:49,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:25:49,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:49,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:49,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:49,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,676 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:25:49,677 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:25:49,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:49,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:25:49,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:25:49,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,679 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:25:49,680 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:49,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,682 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-06-10 16:25:49,682 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-06-10 16:25:49,683 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-06-10 16:25:49,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:25:49,745 INFO L142 QuantifierPusher]: treesize reduction 55, result has 1.8 percent of original size [2021-06-10 16:25:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:49,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:49,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:49,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:49,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:49,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:25:49,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:25:49,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091714188] [2021-06-10 16:25:49,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:25:49,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:25:49,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:25:49,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:25:49,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:25:49,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 2421 transitions, 62488 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) [2021-06-10 16:25:49,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:25:49,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:25:49,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:25:53,102 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][138], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3076#(or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))), Black: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 3191#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), 3068#true, Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:25:53,102 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:25:53,103 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:53,103 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:25:53,103 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:25:53,731 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][138], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1549#true, 1805#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), 29#L23true, Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3076#(or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))), Black: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 3191#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1149#true, Black: 1362#(= s2 s1), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), 2709#true, Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3304#(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: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), 3068#true, Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:25:53,731 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:25:53,731 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:25:53,731 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:25:53,731 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:25:54,979 INFO L129 PetriNetUnfolder]: 5671/9071 cut-off events. [2021-06-10 16:25:54,979 INFO L130 PetriNetUnfolder]: For 612254/612435 co-relation queries the response was YES. [2021-06-10 16:25:55,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149743 conditions, 9071 events. 5671/9071 cut-off events. For 612254/612435 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 61580 event pairs, 237 based on Foata normal form. 72/9115 useless extension candidates. Maximal degree in co-relation 148704. Up to 7372 conditions per place. [2021-06-10 16:25:55,181 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2100 selfloop transitions, 414 changer transitions 0/2527 dead transitions. [2021-06-10 16:25:55,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 2527 transitions, 71968 flow [2021-06-10 16:25:55,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-10 16:25:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-10 16:25:55,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 868 transitions. [2021-06-10 16:25:55,183 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7876588021778584 [2021-06-10 16:25:55,183 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 868 transitions. [2021-06-10 16:25:55,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 868 transitions. [2021-06-10 16:25:55,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:25:55,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 868 transitions. [2021-06-10 16:25:55,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 22.842105263157894) internal successors, (868), 38 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:55,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 29.0) internal successors, (1131), 39 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:55,185 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 29.0) internal successors, (1131), 39 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:25:55,185 INFO L185 Difference]: Start difference. First operand has 484 places, 2421 transitions, 62488 flow. Second operand 38 states and 868 transitions. [2021-06-10 16:25:55,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 2527 transitions, 71968 flow [2021-06-10 16:25:58,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 2527 transitions, 66877 flow, removed 2449 selfloop flow, removed 20 redundant places. [2021-06-10 16:25:58,318 INFO L241 Difference]: Finished difference. Result has 510 places, 2525 transitions, 62936 flow [2021-06-10 16:25:58,319 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=57403, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2052, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=62936, PETRI_PLACES=510, PETRI_TRANSITIONS=2525} [2021-06-10 16:25:58,320 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 478 predicate places. [2021-06-10 16:25:58,320 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 2525 transitions, 62936 flow [2021-06-10 16:25:58,320 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) [2021-06-10 16:25:58,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:25:58,320 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, 1] [2021-06-10 16:25:58,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-06-10 16:25:58,520 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:25:58,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:25:58,521 INFO L82 PathProgramCache]: Analyzing trace with hash -847515645, now seen corresponding path program 5 times [2021-06-10 16:25:58,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:25:58,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75626973] [2021-06-10 16:25:58,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:25:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:25:58,541 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:25:58,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,555 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:25:58,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:58,566 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:25:58,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:58,576 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:25:58,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:25:58,589 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 16:25:58,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:25:58,606 INFO L142 QuantifierPusher]: treesize reduction 38, result has 32.1 percent of original size [2021-06-10 16:25:58,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:25:58,619 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-06-10 16:25:58,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:58,639 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:25:58,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:25:58,657 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:25:58,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:25:58,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:58,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75626973] [2021-06-10 16:25:58,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087357722] [2021-06-10 16:25:58,675 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 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 [2021-06-10 16:25:58,713 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-10 16:25:58,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:25:58,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:25:58,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:25:58,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:58,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:58,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:58,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:58,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:58,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:58,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:58,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:25:58,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:25:58,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,740 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-06-10 16:25:58,741 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-06-10 16:25:58,741 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-06-10 16:25:58,741 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-06-10 16:25:58,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:58,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:58,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:58,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:58,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:58,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:25:58,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:25:58,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,787 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:25:58,787 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:25:58,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:58,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:58,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:25:58,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:25:58,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:58,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:58,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:25:58,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:58,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:58,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:25:58,825 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,826 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 [2021-06-10 16:25:58,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:58,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:58,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:25:58,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:25:58,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:25:58,840 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-06-10 16:25:58,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:25:58,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:25:58,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:25:58,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:58,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:58,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:25:58,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:25:58,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,888 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:25:58,889 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:25:58,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:58,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:25:58,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,913 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-06-10 16:25:58,913 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-06-10 16:25:58,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:58,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:25:58,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:25:58,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,915 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:25:58,916 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:25:58,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,917 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size 36 [2021-06-10 16:25:58,921 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-06-10 16:25:58,922 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size [2021-06-10 16:25:58,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:25:58,976 INFO L142 QuantifierPusher]: treesize reduction 51, result has 1.9 percent of original size [2021-06-10 16:25:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:58,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:58,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:58,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:25:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:25:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:25:58,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:25:58,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:25:58,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355254977] [2021-06-10 16:25:58,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:25:58,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:25:58,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:25:58,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:25:58,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:25:58,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 2525 transitions, 62936 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) [2021-06-10 16:25:58,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:25:58,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:25:58,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:26:02,021 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][131], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2571#true, Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3076#(or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))), Black: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 3191#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 1149#true, Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 3365#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t21) (= s2 0)), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3384#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ 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x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 3304#(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: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), 3068#true, Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:26:02,021 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:26:02,021 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:02,021 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:26:02,021 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:02,658 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][131], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, 2571#true, Black: 1516#(and (or (not (= i2 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(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 611#true, 1635#true, Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= 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s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 1228#(and (= i1 1) (= (select x i2) t12) (<= i2 1) (<= s2 s1) (<= s1 s2)), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 3304#(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: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true, Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:26:02,658 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:26:02,658 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:26:02,658 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:26:02,658 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:26:03,900 INFO L129 PetriNetUnfolder]: 5690/9111 cut-off events. [2021-06-10 16:26:03,900 INFO L130 PetriNetUnfolder]: For 585250/585295 co-relation queries the response was YES. [2021-06-10 16:26:04,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146714 conditions, 9111 events. 5690/9111 cut-off events. For 585250/585295 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 61974 event pairs, 258 based on Foata normal form. 23/9104 useless extension candidates. Maximal degree in co-relation 146398. Up to 7493 conditions per place. [2021-06-10 16:26:04,115 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2359 selfloop transitions, 168 changer transitions 0/2540 dead transitions. [2021-06-10 16:26:04,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 2540 transitions, 68902 flow [2021-06-10 16:26:04,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-10 16:26:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-10 16:26:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 462 transitions. [2021-06-10 16:26:04,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7965517241379311 [2021-06-10 16:26:04,116 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 462 transitions. [2021-06-10 16:26:04,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 462 transitions. [2021-06-10 16:26:04,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:26:04,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 462 transitions. [2021-06-10 16:26:04,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.1) internal successors, (462), 20 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:04,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:04,117 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:04,117 INFO L185 Difference]: Start difference. First operand has 510 places, 2525 transitions, 62936 flow. Second operand 20 states and 462 transitions. [2021-06-10 16:26:04,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 2540 transitions, 68902 flow [2021-06-10 16:26:06,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 2540 transitions, 65869 flow, removed 1380 selfloop flow, removed 21 redundant places. [2021-06-10 16:26:06,867 INFO L241 Difference]: Finished difference. Result has 510 places, 2540 transitions, 61195 flow [2021-06-10 16:26:06,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=59903, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=61195, PETRI_PLACES=510, PETRI_TRANSITIONS=2540} [2021-06-10 16:26:06,869 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 478 predicate places. [2021-06-10 16:26:06,869 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 2540 transitions, 61195 flow [2021-06-10 16:26:06,869 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) [2021-06-10 16:26:06,869 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:26:06,869 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, 1] [2021-06-10 16:26:07,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:26:07,069 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:26:07,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:26:07,070 INFO L82 PathProgramCache]: Analyzing trace with hash -2019608393, now seen corresponding path program 2 times [2021-06-10 16:26:07,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:26:07,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013132854] [2021-06-10 16:26:07,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:26:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:26:07,094 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:26:07,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:07,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:26:07,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:07,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:26:07,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:26:07,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:07,174 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.7 percent of original size [2021-06-10 16:26:07,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:26:07,213 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:26:07,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:07,231 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:26:07,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:07,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:26:07,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013132854] [2021-06-10 16:26:07,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876137673] [2021-06-10 16:26:07,251 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 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 [2021-06-10 16:26:07,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:26:07,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:26:07,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:26:07,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:26:07,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:07,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:07,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:07,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:07,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:07,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:07,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:07,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:07,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:07,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:07,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:07,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:07,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:07,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:07,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:07,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:07,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:07,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:07,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:07,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,384 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-10 16:26:07,385 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-10 16:26:07,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:07,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:07,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:07,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:07,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:07,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:07,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:07,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:07,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:07,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:07,416 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,416 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 [2021-06-10 16:26:07,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:07,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:07,418 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:26:07,429 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:07,430 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:26:07,430 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-06-10 16:26:07,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:07,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:07,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:26:07,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,460 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:26:07,460 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:26:07,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:07,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:07,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,490 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:26:07,490 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:26:07,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:07,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:07,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:26:07,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,492 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:26:07,493 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:07,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:26:07,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:07,637 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:26:07,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:07,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:07,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:07,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:07,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:26:07,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:26:07,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:26:07,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646678234] [2021-06-10 16:26:07,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:26:07,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:26:07,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:26:07,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:26:07,639 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:26:07,640 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 2540 transitions, 61195 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) [2021-06-10 16:26:07,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:26:07,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:26:07,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:26:11,470 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][122], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2571#true, Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 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t11)), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 3304#(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: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true, Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:26:11,471 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:26:11,471 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:11,471 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:26:11,471 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:12,147 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][122], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= 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(and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1805#true, 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), 29#L23true, Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), 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i1) t21) (= (select x 1) s1)), 3191#true, Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 1149#true, Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 3365#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t21) (= s2 0)), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(and (= (select x 1) s2) (= (+ 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(* 2 (div (* s2 (- 1)) (- 2)))) (* 2 s2))) (= (mod s2 (- 2)) 0))) (or (= s2 s1) (not (= i2 i1)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), 1244#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 3304#(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: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), 3068#true, Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:26:12,147 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:26:12,147 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:26:12,147 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:26:12,147 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:26:13,560 INFO L129 PetriNetUnfolder]: 5983/9566 cut-off events. [2021-06-10 16:26:13,560 INFO L130 PetriNetUnfolder]: For 663973/664092 co-relation queries the response was YES. [2021-06-10 16:26:13,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157132 conditions, 9566 events. 5983/9566 cut-off events. For 663973/664092 co-relation queries the response was YES. Maximal size of possible extension queue 736. Compared 65424 event pairs, 194 based on Foata normal form. 45/9583 useless extension candidates. Maximal degree in co-relation 156812. Up to 7708 conditions per place. [2021-06-10 16:26:13,816 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2274 selfloop transitions, 470 changer transitions 0/2757 dead transitions. [2021-06-10 16:26:13,817 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 2757 transitions, 77679 flow [2021-06-10 16:26:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-10 16:26:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-10 16:26:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 852 transitions. [2021-06-10 16:26:13,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7940354147250699 [2021-06-10 16:26:13,824 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 852 transitions. [2021-06-10 16:26:13,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 852 transitions. [2021-06-10 16:26:13,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:26:13,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 852 transitions. [2021-06-10 16:26:13,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 23.027027027027028) internal successors, (852), 37 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:13,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 29.0) internal successors, (1102), 38 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:13,827 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 29.0) internal successors, (1102), 38 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:13,827 INFO L185 Difference]: Start difference. First operand has 510 places, 2540 transitions, 61195 flow. Second operand 37 states and 852 transitions. [2021-06-10 16:26:13,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 2757 transitions, 77679 flow [2021-06-10 16:26:16,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 2757 transitions, 76872 flow, removed 329 selfloop flow, removed 14 redundant places. [2021-06-10 16:26:16,741 INFO L241 Difference]: Finished difference. Result has 540 places, 2756 transitions, 72838 flow [2021-06-10 16:26:16,743 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=60388, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=72838, PETRI_PLACES=540, PETRI_TRANSITIONS=2756} [2021-06-10 16:26:16,743 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 508 predicate places. [2021-06-10 16:26:16,743 INFO L480 AbstractCegarLoop]: Abstraction has has 540 places, 2756 transitions, 72838 flow [2021-06-10 16:26:16,743 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) [2021-06-10 16:26:16,743 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:26:16,743 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, 1] [2021-06-10 16:26:16,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2021-06-10 16:26:16,944 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:26:16,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:26:16,944 INFO L82 PathProgramCache]: Analyzing trace with hash -2077025501, now seen corresponding path program 6 times [2021-06-10 16:26:16,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:26:16,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909460423] [2021-06-10 16:26:16,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:26:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:26:16,963 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:26:16,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:16,979 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:26:16,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:16,989 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:26:16,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:17,001 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:26:17,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:26:17,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 16:26:17,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:26:17,033 INFO L142 QuantifierPusher]: treesize reduction 38, result has 32.1 percent of original size [2021-06-10 16:26:17,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:17,051 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-06-10 16:26:17,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:26:17,069 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:26:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,088 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:26:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:17,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:26:17,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909460423] [2021-06-10 16:26:17,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441565788] [2021-06-10 16:26:17,108 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) [2021-06-10 16:26:17,145 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-10 16:26:17,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:26:17,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:26:17,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:26:17,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:17,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:17,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:26:17,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:17,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:17,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:17,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:17,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:17,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:17,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:17,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:17,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:17,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:17,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:17,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,169 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:26:17,169 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:26:17,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:17,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:17,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:17,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:17,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:17,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:17,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:17,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:26:17,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:17,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:17,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:26:17,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:17,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:17,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:26:17,326 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,327 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 [2021-06-10 16:26:17,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:17,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:17,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:26:17,341 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:26:17,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:26:17,342 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-06-10 16:26:17,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:26:17,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:26:17,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:26:17,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:17,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:17,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:17,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:26:17,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,420 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:26:17,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:26:17,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:17,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:17,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,452 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:26:17,452 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:26:17,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:17,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:17,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:26:17,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,455 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:26:17,455 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:17,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,457 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:26:17,458 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:26:17,458 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:26:17,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:17,524 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:26:17,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:17,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:17,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:17,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:17,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:17,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:26:17,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:26:17,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:26:17,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165671902] [2021-06-10 16:26:17,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:26:17,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:26:17,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:26:17,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:26:17,527 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:26:17,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 2756 transitions, 72838 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) [2021-06-10 16:26:17,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:26:17,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:26:17,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:26:21,086 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][138], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2571#true, Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1014#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3076#(or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))), Black: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3611#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 3365#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t21) (= s2 0)), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3447#(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))))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), 2709#true, Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 1244#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 3304#(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: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), 3068#true, Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:26:21,086 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:26:21,086 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:21,086 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:21,086 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:26:22,083 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][138], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 706#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21)), Black: 764#(and (= s2 s1) (= s1 0) (= i1 (+ s1 1)) (= (select x i1) t21) (or (not (= i2 i1)) (= t12 t21))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ 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(and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), 1244#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 3304#(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: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), 3068#true, Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:26:22,084 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:26:22,084 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:26:22,084 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:26:22,084 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:26:23,635 INFO L129 PetriNetUnfolder]: 6006/9637 cut-off events. [2021-06-10 16:26:23,635 INFO L130 PetriNetUnfolder]: For 693620/693743 co-relation queries the response was YES. [2021-06-10 16:26:23,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160909 conditions, 9637 events. 6006/9637 cut-off events. For 693620/693743 co-relation queries the response was YES. Maximal size of possible extension queue 755. Compared 66466 event pairs, 193 based on Foata normal form. 51/9660 useless extension candidates. Maximal degree in co-relation 160579. Up to 7922 conditions per place. [2021-06-10 16:26:23,868 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2626 selfloop transitions, 140 changer transitions 0/2779 dead transitions. [2021-06-10 16:26:23,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 2779 transitions, 79353 flow [2021-06-10 16:26:23,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-10 16:26:23,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-10 16:26:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 484 transitions. [2021-06-10 16:26:23,872 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7947454844006568 [2021-06-10 16:26:23,872 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 484 transitions. [2021-06-10 16:26:23,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 484 transitions. [2021-06-10 16:26:23,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:26:23,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 484 transitions. [2021-06-10 16:26:23,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 23.047619047619047) internal successors, (484), 21 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:23,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:26:23,873 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:26:23,873 INFO L185 Difference]: Start difference. First operand has 540 places, 2756 transitions, 72838 flow. Second operand 21 states and 484 transitions. [2021-06-10 16:26:23,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 2779 transitions, 79353 flow [2021-06-10 16:26:27,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 2779 transitions, 72306 flow, removed 3405 selfloop flow, removed 19 redundant places. [2021-06-10 16:26:27,828 INFO L241 Difference]: Finished difference. Result has 544 places, 2779 transitions, 67137 flow [2021-06-10 16:26:27,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=65791, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=67137, PETRI_PLACES=544, PETRI_TRANSITIONS=2779} [2021-06-10 16:26:27,830 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 512 predicate places. [2021-06-10 16:26:27,831 INFO L480 AbstractCegarLoop]: Abstraction has has 544 places, 2779 transitions, 67137 flow [2021-06-10 16:26:27,831 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) [2021-06-10 16:26:27,831 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:26:27,831 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, 1] [2021-06-10 16:26:28,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:26:28,041 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:26:28,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:26:28,042 INFO L82 PathProgramCache]: Analyzing trace with hash -536004227, now seen corresponding path program 7 times [2021-06-10 16:26:28,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:26:28,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79869801] [2021-06-10 16:26:28,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:26:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:26:28,064 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:26:28,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:28,079 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:26:28,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:28,089 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:26:28,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:28,100 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:26:28,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:26:28,113 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 16:26:28,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:26:28,131 INFO L142 QuantifierPusher]: treesize reduction 38, result has 32.1 percent of original size [2021-06-10 16:26:28,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:28,150 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-06-10 16:26:28,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:28,167 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:26:28,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:28,186 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:26:28,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:28,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:26:28,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79869801] [2021-06-10 16:26:28,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888493031] [2021-06-10 16:26:28,204 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 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 [2021-06-10 16:26:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:26:28,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:26:28,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:26:28,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:28,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:28,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:26:28,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:26:28,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:26:28,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,256 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-10 16:26:28,257 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-10 16:26:28,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:28,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:28,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:28,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:28,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:28,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:28,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:28,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:28,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:28,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:28,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:28,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:28,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:28,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:28,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:28,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:26:28,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:28,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:28,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:26:28,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:28,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:28,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:26:28,340 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,340 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 [2021-06-10 16:26:28,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:28,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:28,343 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:26:28,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:26:28,358 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:26:28,358 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-06-10 16:26:28,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:26:28,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:26:28,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:26:28,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:28,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:28,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:26:28,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,408 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-06-10 16:26:28,408 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-06-10 16:26:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:28,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:28,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:28,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,436 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:26:28,436 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:26:28,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:28,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:28,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:26:28,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,438 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:26:28,439 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:28,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,440 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:26:28,441 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:26:28,442 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:26:28,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:26:28,501 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:26:28,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:28,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:28,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:28,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:28,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:26:28,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:26:28,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:26:28,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095534297] [2021-06-10 16:26:28,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:26:28,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:26:28,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:26:28,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:26:28,503 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:26:28,503 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 2779 transitions, 67137 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) [2021-06-10 16:26:28,503 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:26:28,503 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:26:28,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:26:32,035 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][138], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2571#true, Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 2033#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or 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s2))), 3326#true]) [2021-06-10 16:26:32,035 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:26:32,036 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:32,036 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:32,036 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:26:32,777 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][138], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 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i1)))), Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3611#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3365#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t21) (= s2 0)), 3711#true, Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3447#(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))))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), 2709#true, Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 1244#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 3304#(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: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), 3068#true, Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:26:32,778 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:26:32,778 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:26:32,778 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:26:32,778 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:26:34,310 INFO L129 PetriNetUnfolder]: 6017/9628 cut-off events. [2021-06-10 16:26:34,310 INFO L130 PetriNetUnfolder]: For 664944/665054 co-relation queries the response was YES. [2021-06-10 16:26:34,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155125 conditions, 9628 events. 6017/9628 cut-off events. For 664944/665054 co-relation queries the response was YES. Maximal size of possible extension queue 737. Compared 65921 event pairs, 198 based on Foata normal form. 51/9647 useless extension candidates. Maximal degree in co-relation 154796. Up to 7939 conditions per place. [2021-06-10 16:26:34,534 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2640 selfloop transitions, 136 changer transitions 0/2789 dead transitions. [2021-06-10 16:26:34,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 2789 transitions, 73367 flow [2021-06-10 16:26:34,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-10 16:26:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-10 16:26:34,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 483 transitions. [2021-06-10 16:26:34,535 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7931034482758621 [2021-06-10 16:26:34,535 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 483 transitions. [2021-06-10 16:26:34,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 483 transitions. [2021-06-10 16:26:34,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:26:34,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 483 transitions. [2021-06-10 16:26:34,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 23.0) internal successors, (483), 21 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:34,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:26:34,537 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:26:34,537 INFO L185 Difference]: Start difference. First operand has 544 places, 2779 transitions, 67137 flow. Second operand 21 states and 483 transitions. [2021-06-10 16:26:34,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 2789 transitions, 73367 flow [2021-06-10 16:26:37,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 2789 transitions, 72714 flow, removed 272 selfloop flow, removed 14 redundant places. [2021-06-10 16:26:38,019 INFO L241 Difference]: Finished difference. Result has 552 places, 2789 transitions, 67470 flow [2021-06-10 16:26:38,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=66484, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2779, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2647, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=67470, PETRI_PLACES=552, PETRI_TRANSITIONS=2789} [2021-06-10 16:26:38,021 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 520 predicate places. [2021-06-10 16:26:38,021 INFO L480 AbstractCegarLoop]: Abstraction has has 552 places, 2789 transitions, 67470 flow [2021-06-10 16:26:38,021 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) [2021-06-10 16:26:38,021 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:26:38,021 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, 1] [2021-06-10 16:26:38,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:26:38,223 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:26:38,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:26:38,223 INFO L82 PathProgramCache]: Analyzing trace with hash -533497643, now seen corresponding path program 1 times [2021-06-10 16:26:38,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:26:38,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534885161] [2021-06-10 16:26:38,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:26:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:26:38,319 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:26:38,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:38,335 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:26:38,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:38,348 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-06-10 16:26:38,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:38,360 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-06-10 16:26:38,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:26:38,379 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-06-10 16:26:38,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:26:38,393 INFO L142 QuantifierPusher]: treesize reduction 32, result has 43.9 percent of original size [2021-06-10 16:26:38,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:38,411 INFO L142 QuantifierPusher]: treesize reduction 28, result has 44.0 percent of original size [2021-06-10 16:26:38,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:38,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,443 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:26:38,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:38,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:26:38,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534885161] [2021-06-10 16:26:38,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441554105] [2021-06-10 16:26:38,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-10 16:26:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:26:38,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:26:38,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:26:38,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:38,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:38,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:38,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:38,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:38,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:38,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:38,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:38,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:38,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:38,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:38,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:38,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,518 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-06-10 16:26:38,519 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-06-10 16:26:38,519 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-06-10 16:26:38,519 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-06-10 16:26:38,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:38,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:38,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:38,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:38,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:38,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:38,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:38,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:38,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:38,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:38,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:26:38,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,557 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:26:38,557 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:26:38,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:38,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,580 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-10 16:26:38,581 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-06-10 16:26:38,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:38,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:38,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:38,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:38,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:26:38,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:26:38,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:26:38,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:38,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:38,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:38,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:38,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:38,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:26:38,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:38,640 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,640 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 [2021-06-10 16:26:38,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,641 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:26:38,641 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:26:38,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:38,642 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:26:38,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:38,655 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:26:38,655 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-06-10 16:26:38,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:38,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:26:38,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,686 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:26:38,686 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:26:38,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:38,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:38,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:26:38,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,689 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:26:38,692 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:38,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,694 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-06-10 16:26:38,694 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-06-10 16:26:38,695 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-06-10 16:26:38,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:26:38,768 INFO L142 QuantifierPusher]: treesize reduction 55, result has 1.8 percent of original size [2021-06-10 16:26:38,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:38,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:38,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:38,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:38,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:26:38,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:26:38,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:26:38,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508573599] [2021-06-10 16:26:38,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:26:38,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:26:38,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:26:38,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:26:38,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:26:38,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 2789 transitions, 67470 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) [2021-06-10 16:26:38,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:26:38,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:26:38,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:26:42,482 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][138], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1754#(and (= t22 s1) (= s2 0)), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2571#true, Black: 1758#(= s2 s1), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 1805#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), Black: 44#(= s2 s1), 1327#true, Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), Black: 264#(= (+ s2 (select x i1)) s1), 1079#true, Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2033#true, 313#true, Black: 2043#(<= i2 i1), 2108#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 3875#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3879#(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)))), 3932#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 1635#true, 611#true, Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3076#(or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))), Black: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3611#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 1149#true, Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3365#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t21) (= s2 0)), 3711#true, Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2389#(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)))), 2709#true, Black: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 683#true, Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= 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(select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 3304#(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: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), 3068#true, Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:26:42,483 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:26:42,483 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:42,483 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:26:42,483 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:43,224 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][138], [Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 775#true, Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= 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t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2374#(and (= (select x (+ s2 1)) t12) (= 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s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), 1244#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 2037#(<= (+ i2 1) i1), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 3304#(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: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 3068#true, Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true]) [2021-06-10 16:26:43,224 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:26:43,224 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:26:43,224 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:26:43,224 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:26:44,675 INFO L129 PetriNetUnfolder]: 6050/9682 cut-off events. [2021-06-10 16:26:44,676 INFO L130 PetriNetUnfolder]: For 678208/678318 co-relation queries the response was YES. [2021-06-10 16:26:44,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156860 conditions, 9682 events. 6050/9682 cut-off events. For 678208/678318 co-relation queries the response was YES. Maximal size of possible extension queue 753. Compared 66411 event pairs, 203 based on Foata normal form. 51/9698 useless extension candidates. Maximal degree in co-relation 156524. Up to 7937 conditions per place. [2021-06-10 16:26:44,904 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2575 selfloop transitions, 251 changer transitions 0/2839 dead transitions. [2021-06-10 16:26:44,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 2839 transitions, 75533 flow [2021-06-10 16:26:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-10 16:26:44,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-10 16:26:44,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 691 transitions. [2021-06-10 16:26:44,905 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7942528735632184 [2021-06-10 16:26:44,905 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 691 transitions. [2021-06-10 16:26:44,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 691 transitions. [2021-06-10 16:26:44,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:26:44,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 691 transitions. [2021-06-10 16:26:44,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 23.033333333333335) internal successors, (691), 30 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:44,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 29.0) internal successors, (899), 31 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:44,907 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 29.0) internal successors, (899), 31 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:44,907 INFO L185 Difference]: Start difference. First operand has 552 places, 2789 transitions, 67470 flow. Second operand 30 states and 691 transitions. [2021-06-10 16:26:44,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 2839 transitions, 75533 flow [2021-06-10 16:26:48,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 2839 transitions, 75017 flow, removed 198 selfloop flow, removed 15 redundant places. [2021-06-10 16:26:48,649 INFO L241 Difference]: Finished difference. Result has 572 places, 2838 transitions, 69999 flow [2021-06-10 16:26:48,651 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=66958, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=69999, PETRI_PLACES=572, PETRI_TRANSITIONS=2838} [2021-06-10 16:26:48,651 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 540 predicate places. [2021-06-10 16:26:48,651 INFO L480 AbstractCegarLoop]: Abstraction has has 572 places, 2838 transitions, 69999 flow [2021-06-10 16:26:48,651 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) [2021-06-10 16:26:48,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:26:48,651 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, 1] [2021-06-10 16:26:48,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-06-10 16:26:48,873 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:26:48,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:26:48,873 INFO L82 PathProgramCache]: Analyzing trace with hash 853420851, now seen corresponding path program 3 times [2021-06-10 16:26:48,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:26:48,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038277756] [2021-06-10 16:26:48,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:26:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:26:48,900 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:26:48,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:48,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:48,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:26:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:48,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:48,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:48,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:26:48,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:48,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:26:48,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:48,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:26:48,967 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.7 percent of original size [2021-06-10 16:26:48,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:26:49,005 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:26:49,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:49,021 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:26:49,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:26:49,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038277756] [2021-06-10 16:26:49,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182756605] [2021-06-10 16:26:49,039 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 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 [2021-06-10 16:26:49,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-10 16:26:49,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:26:49,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-10 16:26:49,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:26:49,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:49,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:49,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:49,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:49,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:49,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:49,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:49,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:49,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:26:49,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:49,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,113 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-06-10 16:26:49,113 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-06-10 16:26:49,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:49,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:49,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:49,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:49,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:49,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:49,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:49,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:49,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:49,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:49,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:49,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:49,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:49,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:26:49,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:49,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:49,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:49,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:26:49,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,171 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-06-10 16:26:49,171 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-10 16:26:49,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:49,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:26:49,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:49,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:26:49,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:49,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:26:49,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:49,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:26:49,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:49,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:26:49,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:49,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:26:49,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:26:49,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:49,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:26:49,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:26:49,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:26:49,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:26:49,221 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,221 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 [2021-06-10 16:26:49,221 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size [2021-06-10 16:26:49,222 INFO L147 QuantifierPusher]: treesize reduction 7, result has 86.3 percent of original size 44 [2021-06-10 16:26:49,222 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.3 percent of original size [2021-06-10 16:26:49,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-10 16:26:49,223 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:26:49,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,236 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:26:49,237 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,237 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:26:49,238 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:49,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:49,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:49,240 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:26:49,240 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:12 [2021-06-10 16:26:49,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:49,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:49,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,258 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-10 16:26:49,258 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-06-10 16:26:49,259 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-06-10 16:26:49,259 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-10 16:26:49,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:49,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:26:49,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:49,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:49,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:49,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:26:49,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,298 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:26:49,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:26:49,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:26:49,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:26:49,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:26:49,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:49,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:26:49,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:26:49,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:26:49,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:26:49,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-10 16:26:49,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323248600] [2021-06-10 16:26:49,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-10 16:26:49,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:26:49,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-10 16:26:49,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-06-10 16:26:49,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:26:49,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 2838 transitions, 69999 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) [2021-06-10 16:26:49,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:26:49,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:26:49,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:26:53,313 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][139], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3076#(or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))), Black: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 3191#true, Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3611#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 1244#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true, Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1805#true, Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), 1327#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 3875#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3879#(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)))), 3932#true, Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 3365#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t21) (= s2 0)), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3447#(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))))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:26:53,313 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:26:53,313 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:53,313 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:26:53,313 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:26:54,095 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][139], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 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s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:26:54,096 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:26:54,096 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:26:54,096 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:26:54,096 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:26:55,798 INFO L129 PetriNetUnfolder]: 6232/9997 cut-off events. [2021-06-10 16:26:55,798 INFO L130 PetriNetUnfolder]: For 753495/753605 co-relation queries the response was YES. [2021-06-10 16:26:55,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165977 conditions, 9997 events. 6232/9997 cut-off events. For 753495/753605 co-relation queries the response was YES. Maximal size of possible extension queue 771. Compared 69198 event pairs, 192 based on Foata normal form. 52/10015 useless extension candidates. Maximal degree in co-relation 165633. Up to 7973 conditions per place. [2021-06-10 16:26:56,046 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2321 selfloop transitions, 650 changer transitions 0/2984 dead transitions. [2021-06-10 16:26:56,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 2984 transitions, 83595 flow [2021-06-10 16:26:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-10 16:26:56,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-06-10 16:26:56,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 793 transitions. [2021-06-10 16:26:56,048 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8042596348884381 [2021-06-10 16:26:56,048 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 793 transitions. [2021-06-10 16:26:56,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 793 transitions. [2021-06-10 16:26:56,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:26:56,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 793 transitions. [2021-06-10 16:26:56,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 23.323529411764707) internal successors, (793), 34 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:56,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 29.0) internal successors, (1015), 35 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:56,050 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 29.0) internal successors, (1015), 35 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:26:56,050 INFO L185 Difference]: Start difference. First operand has 572 places, 2838 transitions, 69999 flow. Second operand 34 states and 793 transitions. [2021-06-10 16:26:56,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 2984 transitions, 83595 flow [2021-06-10 16:27:00,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 2984 transitions, 81826 flow, removed 844 selfloop flow, removed 14 redundant places. [2021-06-10 16:27:00,248 INFO L241 Difference]: Finished difference. Result has 595 places, 2982 transitions, 77641 flow [2021-06-10 16:27:00,250 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=68238, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2838, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=535, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=77641, PETRI_PLACES=595, PETRI_TRANSITIONS=2982} [2021-06-10 16:27:00,250 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 563 predicate places. [2021-06-10 16:27:00,250 INFO L480 AbstractCegarLoop]: Abstraction has has 595 places, 2982 transitions, 77641 flow [2021-06-10 16:27:00,250 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) [2021-06-10 16:27:00,250 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:27:00,250 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, 1] [2021-06-10 16:27:00,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:27:00,451 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:27:00,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:27:00,451 INFO L82 PathProgramCache]: Analyzing trace with hash -490286283, now seen corresponding path program 2 times [2021-06-10 16:27:00,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:27:00,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106600790] [2021-06-10 16:27:00,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:27:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:27:00,473 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:27:00,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:00,488 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:27:00,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:27:00,499 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-06-10 16:27:00,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:00,510 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-10 16:27:00,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:27:00,523 INFO L142 QuantifierPusher]: treesize reduction 32, result has 40.7 percent of original size [2021-06-10 16:27:00,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:27:00,539 INFO L142 QuantifierPusher]: treesize reduction 28, result has 40.4 percent of original size [2021-06-10 16:27:00,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:00,556 INFO L142 QuantifierPusher]: treesize reduction 18, result has 53.8 percent of original size [2021-06-10 16:27:00,557 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-06-10 16:27:00,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:00,603 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:27:00,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:00,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:27:00,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106600790] [2021-06-10 16:27:00,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702303661] [2021-06-10 16:27:00,624 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 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 [2021-06-10 16:27:00,655 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:27:00,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:27:00,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:27:00,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:27:00,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:00,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:00,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:00,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:00,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:00,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:00,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:00,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:00,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:27:00,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:00,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:00,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:00,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,679 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-10 16:27:00,679 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-10 16:27:00,679 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:27:00,680 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:27:00,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:00,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:00,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:00,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:00,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:00,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:00,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:27:00,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:00,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:00,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:00,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:00,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:00,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:00,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:00,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:00,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:27:00,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:00,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:00,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:27:00,778 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,778 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 [2021-06-10 16:27:00,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:00,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:00,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:27:00,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:00,791 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:27:00,791 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-06-10 16:27:00,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:00,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:00,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,814 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-06-10 16:27:00,815 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-06-10 16:27:00,815 INFO L147 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size 29 [2021-06-10 16:27:00,815 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-06-10 16:27:00,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:27:00,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:27:00,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,840 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:27:00,840 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:27:00,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:00,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:27:00,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:27:00,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,842 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:27:00,842 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:00,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,844 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:27:00,845 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:27:00,845 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:27:00,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:00,906 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:27:00,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:00,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:00,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:00,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:00,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:27:00,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:27:00,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:27:00,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909115578] [2021-06-10 16:27:00,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:27:00,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:27:00,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:27:00,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:27:00,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:27:00,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 2982 transitions, 77641 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) [2021-06-10 16:27:00,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:27:00,910 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:27:00,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:27:05,602 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][140], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3076#(or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))), Black: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3611#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), 1244#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(and (or 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(select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:27:05,603 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:27:05,603 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:27:05,603 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:27:05,603 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:27:07,123 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][140], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4072#(or (<= 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(= s2 0)), 2709#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), 1244#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and 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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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true, Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 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s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 3875#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3879#(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)))), 3932#true, Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 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857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(and (or (and (not (= i2 1)) (or (not 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(and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:27:07,123 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:27:07,123 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:27:07,123 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:27:07,123 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:27:09,119 INFO L129 PetriNetUnfolder]: 6603/10574 cut-off events. [2021-06-10 16:27:09,119 INFO L130 PetriNetUnfolder]: For 863887/864051 co-relation queries the response was YES. [2021-06-10 16:27:09,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182997 conditions, 10574 events. 6603/10574 cut-off events. For 863887/864051 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 73411 event pairs, 196 based on Foata normal form. 74/10614 useless extension candidates. Maximal degree in co-relation 182647. Up to 8465 conditions per place. [2021-06-10 16:27:09,413 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2612 selfloop transitions, 574 changer transitions 0/3199 dead transitions. [2021-06-10 16:27:09,413 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 3199 transitions, 94182 flow [2021-06-10 16:27:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-10 16:27:09,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-10 16:27:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 707 transitions. [2021-06-10 16:27:09,414 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8126436781609195 [2021-06-10 16:27:09,415 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 707 transitions. [2021-06-10 16:27:09,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 707 transitions. [2021-06-10 16:27:09,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:27:09,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 707 transitions. [2021-06-10 16:27:09,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 23.566666666666666) internal successors, (707), 30 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:09,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 29.0) internal successors, (899), 31 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:09,416 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 29.0) internal successors, (899), 31 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:09,416 INFO L185 Difference]: Start difference. First operand has 595 places, 2982 transitions, 77641 flow. Second operand 30 states and 707 transitions. [2021-06-10 16:27:09,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 3199 transitions, 94182 flow [2021-06-10 16:27:14,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 3199 transitions, 89801 flow, removed 2050 selfloop flow, removed 22 redundant places. [2021-06-10 16:27:14,479 INFO L241 Difference]: Finished difference. Result has 610 places, 3198 transitions, 85390 flow [2021-06-10 16:27:14,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=73378, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=389, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=85390, PETRI_PLACES=610, PETRI_TRANSITIONS=3198} [2021-06-10 16:27:14,482 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 578 predicate places. [2021-06-10 16:27:14,482 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 3198 transitions, 85390 flow [2021-06-10 16:27:14,482 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) [2021-06-10 16:27:14,482 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:27:14,482 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, 1] [2021-06-10 16:27:14,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-06-10 16:27:14,697 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:27:14,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:27:14,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1938471485, now seen corresponding path program 5 times [2021-06-10 16:27:14,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:27:14,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782006777] [2021-06-10 16:27:14,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:27:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:27:14,721 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:27:14,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:27:14,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:27:14,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:14,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:27:14,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:27:14,764 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-06-10 16:27:14,765 INFO L147 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size 18 [2021-06-10 16:27:14,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:27:14,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:14,814 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:27:14,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:14,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:27:14,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782006777] [2021-06-10 16:27:14,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481729938] [2021-06-10 16:27:14,829 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 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 [2021-06-10 16:27:14,852 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-10 16:27:14,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:27:14,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:27:14,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:27:14,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:14,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:27:14,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,892 INFO L147 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size 24 [2021-06-10 16:27:14,893 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-06-10 16:27:14,893 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:27:14,893 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-06-10 16:27:14,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:14,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:14,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:14,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:27:14,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:14,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:14,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:14,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:14,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:14,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:14,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:14,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:27:14,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:14,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:27:14,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:14,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:14,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:27:14,963 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,963 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 [2021-06-10 16:27:14,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:14,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:14,965 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:27:14,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:27:14,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:27:14,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-06-10 16:27:14,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:27:14,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:14,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:27:15,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:27:15,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:15,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:15,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:15,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,031 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-06-10 16:27:15,031 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-06-10 16:27:15,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:27:15,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:27:15,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:27:15,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,058 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:27:15,058 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:27:15,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:15,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:27:15,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:27:15,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,061 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:27:15,061 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:15,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,063 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:27:15,063 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:27:15,064 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:27:15,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:15,136 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:27:15,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:15,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:15,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:15,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:15,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:27:15,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:27:15,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:27:15,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503923807] [2021-06-10 16:27:15,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:27:15,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:27:15,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:27:15,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:27:15,139 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:27:15,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 3198 transitions, 85390 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) [2021-06-10 16:27:15,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:27:15,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:27:15,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:27:20,044 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][151], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3611#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 4200#(or (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (not (= i1 (+ i2 1)))), Black: 4313#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (= (select x i1) t21) (or (not (= i2 1)) (= t22 s2)) (= (select x 1) s1)), 1244#true, Black: 4201#(or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 4297#(and (or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 4202#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4203#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4238#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4303#(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 (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 4323#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true, Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1805#true, Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), 1327#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 3875#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3879#(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)))), 3932#true, Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(and (or (and (not (= i2 1)) (or (not (= i1 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s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:27:20,044 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:27:20,044 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:27:20,044 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:27:20,044 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:27:21,318 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][151], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), 4193#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 3191#true, Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3611#(and (= (select x 1) s2) (= (select x i1) t21) (= 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s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:27:21,318 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:27:21,318 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:27:21,318 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:27:21,318 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:27:22,062 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][26], [5#L80true, Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 9#L62true, Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) 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(not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 4202#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4203#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4238#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4303#(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 (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 4323#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or 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2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), 1327#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, Black: 3875#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3879#(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)))), 3932#true, Black: 1874#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 1811#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1843#(and (= i2 1) (< i2 (+ n 1)) (= s2 s1) (= i2 i1)), Black: 1882#(and (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1884#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (not (= i2 i1)) (= t11 t22)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 3331#(and (<= 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921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2038#(<= (+ i2 2) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:27:22,062 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-06-10 16:27:22,062 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:27:22,062 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:27:22,062 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-06-10 16:27:23,474 INFO L129 PetriNetUnfolder]: 6642/10660 cut-off events. [2021-06-10 16:27:23,475 INFO L130 PetriNetUnfolder]: For 878246/878356 co-relation queries the response was YES. [2021-06-10 16:27:23,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184232 conditions, 10660 events. 6642/10660 cut-off events. For 878246/878356 co-relation queries the response was YES. Maximal size of possible extension queue 808. Compared 74452 event pairs, 227 based on Foata normal form. 52/10679 useless extension candidates. Maximal degree in co-relation 183858. Up to 8643 conditions per place. [2021-06-10 16:27:23,801 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2723 selfloop transitions, 524 changer transitions 0/3260 dead transitions. [2021-06-10 16:27:23,801 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 3260 transitions, 94959 flow [2021-06-10 16:27:23,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-10 16:27:23,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-06-10 16:27:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 987 transitions. [2021-06-10 16:27:23,803 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7914995990376904 [2021-06-10 16:27:23,803 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 987 transitions. [2021-06-10 16:27:23,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 987 transitions. [2021-06-10 16:27:23,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:27:23,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 987 transitions. [2021-06-10 16:27:23,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 22.953488372093023) internal successors, (987), 43 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:23,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 29.0) internal successors, (1276), 44 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:23,806 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 29.0) internal successors, (1276), 44 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:23,806 INFO L185 Difference]: Start difference. First operand has 610 places, 3198 transitions, 85390 flow. Second operand 43 states and 987 transitions. [2021-06-10 16:27:23,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 3260 transitions, 94959 flow [2021-06-10 16:27:28,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 3260 transitions, 90633 flow, removed 2097 selfloop flow, removed 17 redundant places. [2021-06-10 16:27:28,908 INFO L241 Difference]: Finished difference. Result has 640 places, 3259 transitions, 85427 flow [2021-06-10 16:27:28,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=81066, PETRI_DIFFERENCE_MINUEND_PLACES=593, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=478, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=85427, PETRI_PLACES=640, PETRI_TRANSITIONS=3259} [2021-06-10 16:27:28,911 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 608 predicate places. [2021-06-10 16:27:28,911 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 3259 transitions, 85427 flow [2021-06-10 16:27:28,911 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) [2021-06-10 16:27:28,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:27:28,911 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, 1] [2021-06-10 16:27:29,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:27:29,125 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:27:29,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:27:29,125 INFO L82 PathProgramCache]: Analyzing trace with hash -213372463, now seen corresponding path program 6 times [2021-06-10 16:27:29,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:27:29,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711602055] [2021-06-10 16:27:29,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:27:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:27:29,141 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:27:29,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:27:29,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:27:29,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:27:29,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:27:29,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:27:29,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:29,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:29,245 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:27:29,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:27:29,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711602055] [2021-06-10 16:27:29,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782310350] [2021-06-10 16:27:29,265 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 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 [2021-06-10 16:27:29,295 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-10 16:27:29,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:27:29,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-10 16:27:29,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:27:29,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:27:29,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:27:29,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:27:29,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:27:29,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:27:29,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:27:29,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:27:29,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:27:29,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:27:29,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:27:29,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:27:29,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:27:29,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,324 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-06-10 16:27:29,324 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-06-10 16:27:29,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:27:29,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:27:29,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:27:29,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:27:29,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:27:29,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:27:29,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:27:29,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:29,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:29,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:29,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:29,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:27:29,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:27:29,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:27:29,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:27:29,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:27:29,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:29,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:27:29,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:27:29,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:29,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:27:29,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:27:29,423 INFO L354 Elim1Store]: treesize reduction 20, result has 67.2 percent of original size [2021-06-10 16:27:29,424 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 25 treesize of output 53 [2021-06-10 16:27:29,424 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.6 percent of original size [2021-06-10 16:27:29,425 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-06-10 16:27:29,425 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-06-10 16:27:29,426 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,426 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-06-10 16:27:29,426 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-10 16:27:29,426 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,427 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-06-10 16:27:29,427 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:27:29,427 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,428 INFO L147 QuantifierPusher]: treesize reduction 33, result has 67.6 percent of original size 69 [2021-06-10 16:27:29,429 INFO L142 QuantifierPusher]: treesize reduction 33, result has 67.6 percent of original size [2021-06-10 16:27:29,429 INFO L147 QuantifierPusher]: treesize reduction 16, result has 76.8 percent of original size 53 [2021-06-10 16:27:29,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-10 16:27:29,452 INFO L628 ElimStorePlain]: treesize reduction 58, result has 15.9 percent of original size [2021-06-10 16:27:29,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:27:29,453 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-10 16:27:29,453 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:11 [2021-06-10 16:27:29,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:27:29,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-10 16:27:29,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:27:29,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:27:29,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:27:29,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:27:29,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:29,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,514 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:27:29,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:29,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:29,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:29,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:29,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:29,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:29,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:27:29,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:27:29,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-10 16:27:29,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715977498] [2021-06-10 16:27:29,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-10 16:27:29,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:27:29,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-10 16:27:29,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-06-10 16:27:29,520 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:27:29,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 3259 transitions, 85427 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) [2021-06-10 16:27:29,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:27:29,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:27:29,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:27:33,418 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][143], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 611#true, 1635#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 3191#true, Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3611#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 4200#(or (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (not (= i1 (+ i2 1)))), Black: 4313#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (= (select x i1) t21) (or (not (= i2 1)) (= t22 s2)) (= (select x 1) s1)), 1244#true, Black: 4201#(or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 4297#(and (or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 4202#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4203#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4238#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4303#(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 (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 4323#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true, Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1805#true, Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), 1327#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= 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i1) (= (+ s2 1) i2)), Black: 4384#(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: 4454#(and (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: 4332#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 4380#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 4333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4467#true, Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 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s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:27:33,418 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:27:33,418 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:27:33,418 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:27:33,418 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:27:34,772 INFO L382 tUnfolder$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][143], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or 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i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true, Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1805#true, Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 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s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2336#(and (<= (select x (+ i1 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(select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:27:34,773 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:27:34,773 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:27:34,773 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:27:34,773 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:27:36,826 INFO L129 PetriNetUnfolder]: 6715/10817 cut-off events. [2021-06-10 16:27:36,826 INFO L130 PetriNetUnfolder]: For 884404/884505 co-relation queries the response was YES. [2021-06-10 16:27:36,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183558 conditions, 10817 events. 6715/10817 cut-off events. For 884404/884505 co-relation queries the response was YES. Maximal size of possible extension queue 821. Compared 76235 event pairs, 178 based on Foata normal form. 43/10823 useless extension candidates. Maximal degree in co-relation 183177. Up to 8644 conditions per place. [2021-06-10 16:27:37,116 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2759 selfloop transitions, 528 changer transitions 0/3300 dead transitions. [2021-06-10 16:27:37,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 662 places, 3300 transitions, 94767 flow [2021-06-10 16:27:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-10 16:27:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-10 16:27:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 533 transitions. [2021-06-10 16:27:37,118 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7991004497751124 [2021-06-10 16:27:37,118 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 533 transitions. [2021-06-10 16:27:37,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 533 transitions. [2021-06-10 16:27:37,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:27:37,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 533 transitions. [2021-06-10 16:27:37,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 23.17391304347826) internal successors, (533), 23 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:37,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 29.0) internal successors, (696), 24 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:37,119 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 29.0) internal successors, (696), 24 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:37,119 INFO L185 Difference]: Start difference. First operand has 640 places, 3259 transitions, 85427 flow. Second operand 23 states and 533 transitions. [2021-06-10 16:27:37,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 662 places, 3300 transitions, 94767 flow [2021-06-10 16:27:42,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 627 places, 3300 transitions, 92315 flow, removed 1013 selfloop flow, removed 35 redundant places. [2021-06-10 16:27:42,487 INFO L241 Difference]: Finished difference. Result has 630 places, 3292 transitions, 86434 flow [2021-06-10 16:27:42,490 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=82975, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=503, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2748, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=86434, PETRI_PLACES=630, PETRI_TRANSITIONS=3292} [2021-06-10 16:27:42,490 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 598 predicate places. [2021-06-10 16:27:42,490 INFO L480 AbstractCegarLoop]: Abstraction has has 630 places, 3292 transitions, 86434 flow [2021-06-10 16:27:42,490 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) [2021-06-10 16:27:42,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:27:42,490 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, 1] [2021-06-10 16:27:42,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-06-10 16:27:42,709 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:27:42,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:27:42,709 INFO L82 PathProgramCache]: Analyzing trace with hash 606604149, now seen corresponding path program 8 times [2021-06-10 16:27:42,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:27:42,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906996409] [2021-06-10 16:27:42,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:27:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:27:42,726 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:27:42,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:42,740 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:27:42,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:27:42,751 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:27:42,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:42,760 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:27:42,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:27:42,770 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 16:27:42,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:27:42,785 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-06-10 16:27:42,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,801 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-06-10 16:27:42,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:27:42,816 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:27:42,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:42,829 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:27:42,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:42,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:42,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:27:42,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906996409] [2021-06-10 16:27:42,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819258346] [2021-06-10 16:27:42,844 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 [2021-06-10 16:27:42,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:27:42,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:27:42,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:27:42,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:27:42,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:42,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:42,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:42,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:42,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:42,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:42,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:42,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:42,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:27:42,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:42,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:42,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:42,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:42,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,905 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:27:42,905 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:27:42,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:42,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,955 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-06-10 16:27:42,955 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-06-10 16:27:42,956 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-10 16:27:42,956 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-10 16:27:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:42,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:42,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,973 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-10 16:27:42,973 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-10 16:27:42,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:42,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:42,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:42,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:42,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:27:42,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:42,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:42,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:42,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:27:43,005 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,006 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 [2021-06-10 16:27:43,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:43,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:43,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:27:43,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:43,019 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:27:43,019 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-06-10 16:27:43,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:43,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:43,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,043 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-06-10 16:27:43,044 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-06-10 16:27:43,044 INFO L147 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size 29 [2021-06-10 16:27:43,044 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-06-10 16:27:43,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:27:43,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:27:43,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,070 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:27:43,070 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:27:43,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:43,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:27:43,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:27:43,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,072 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:27:43,072 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:43,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,073 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:27:43,074 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:27:43,074 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:27:43,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:43,130 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:27:43,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:43,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:43,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:43,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:43,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:27:43,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:27:43,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:27:43,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346369973] [2021-06-10 16:27:43,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:27:43,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:27:43,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:27:43,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:27:43,133 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:27:43,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 3292 transitions, 86434 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) [2021-06-10 16:27:43,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:27:43,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:27:43,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:27:47,774 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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 4200#(or (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (not (= i1 (+ i2 1)))), Black: 4313#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (= (select x i1) t21) (or (not (= i2 1)) (= t22 s2)) (= (select x 1) s1)), 1244#true, Black: 4201#(or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 4297#(and (or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 4202#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4203#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4238#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4303#(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 (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 4323#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true, Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1805#true, Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), 1327#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 845#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 781#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 799#(and (= (select x i1) s1) (= s2 0)), 853#true, 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4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:27:47,775 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:27:47,775 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:27:47,775 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:27:47,775 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:27:48,854 INFO L382 tUnfolder$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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and 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2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:27:48,855 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:27:48,855 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:27:48,855 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:27:48,855 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:27:49,863 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][29], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) 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1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2038#(<= (+ i2 2) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:27:49,863 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-06-10 16:27:49,863 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-06-10 16:27:49,863 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:27:49,863 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:27:50,985 INFO L129 PetriNetUnfolder]: 6736/10873 cut-off events. [2021-06-10 16:27:50,985 INFO L130 PetriNetUnfolder]: For 913761/913908 co-relation queries the response was YES. [2021-06-10 16:27:51,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185405 conditions, 10873 events. 6736/10873 cut-off events. For 913761/913908 co-relation queries the response was YES. Maximal size of possible extension queue 824. Compared 77019 event pairs, 174 based on Foata normal form. 72/10912 useless extension candidates. Maximal degree in co-relation 185020. Up to 8849 conditions per place. [2021-06-10 16:27:51,508 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3064 selfloop transitions, 240 changer transitions 0/3317 dead transitions. [2021-06-10 16:27:51,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 3317 transitions, 94478 flow [2021-06-10 16:27:51,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-10 16:27:51,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-06-10 16:27:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 581 transitions. [2021-06-10 16:27:51,509 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8013793103448276 [2021-06-10 16:27:51,509 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 581 transitions. [2021-06-10 16:27:51,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 581 transitions. [2021-06-10 16:27:51,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:27:51,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 581 transitions. [2021-06-10 16:27:51,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 23.24) internal successors, (581), 25 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:51,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 29.0) internal successors, (754), 26 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:51,511 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 29.0) internal successors, (754), 26 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:27:51,511 INFO L185 Difference]: Start difference. First operand has 630 places, 3292 transitions, 86434 flow. Second operand 25 states and 581 transitions. [2021-06-10 16:27:51,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 3317 transitions, 94478 flow [2021-06-10 16:27:56,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 3317 transitions, 92489 flow, removed 699 selfloop flow, removed 15 redundant places. [2021-06-10 16:27:56,772 INFO L241 Difference]: Finished difference. Result has 643 places, 3316 transitions, 86455 flow [2021-06-10 16:27:56,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=84445, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3059, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=86455, PETRI_PLACES=643, PETRI_TRANSITIONS=3316} [2021-06-10 16:27:56,775 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 611 predicate places. [2021-06-10 16:27:56,775 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 3316 transitions, 86455 flow [2021-06-10 16:27:56,776 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) [2021-06-10 16:27:56,776 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:27:56,776 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, 1] [2021-06-10 16:27:56,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:27:56,976 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:27:56,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:27:56,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1010065999, now seen corresponding path program 7 times [2021-06-10 16:27:56,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:27:56,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756708219] [2021-06-10 16:27:56,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:27:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:27:56,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:27:56,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:27:56,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:56,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:27:57,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:57,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:27:57,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:27:57,041 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-06-10 16:27:57,042 INFO L147 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size 18 [2021-06-10 16:27:57,065 INFO L142 QuantifierPusher]: treesize reduction 24, result has 38.5 percent of original size [2021-06-10 16:27:57,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:27:57,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:27:57,092 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:27:57,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:27:57,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:27:57,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756708219] [2021-06-10 16:27:57,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991201860] [2021-06-10 16:27:57,112 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 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 [2021-06-10 16:27:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:27:57,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:27:57,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:27:57,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:57,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:57,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:57,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:57,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:57,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:57,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:57,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:27:57,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:27:57,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,189 INFO L147 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size 24 [2021-06-10 16:27:57,189 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-06-10 16:27:57,189 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:27:57,189 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-06-10 16:27:57,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:57,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:27:57,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:27:57,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,240 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:27:57,240 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:27:57,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:57,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:57,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:57,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:57,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:57,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:57,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:27:57,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:27:57,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:57,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:57,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:27:57,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:57,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:27:57,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:27:57,278 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,278 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 [2021-06-10 16:27:57,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:57,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:57,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:27:57,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:27:57,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:27:57,292 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-06-10 16:27:57,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:27:57,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:27:57,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:27:57,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:57,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:57,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:27:57,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:27:57,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,346 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:27:57,346 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:27:57,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:27:57,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:27:57,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,373 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:27:57,373 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:27:57,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:57,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:27:57,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:27:57,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,375 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:27:57,375 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:27:57,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,377 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:27:57,377 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:27:57,377 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:27:57,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:27:57,435 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:27:57,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:57,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:57,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:57,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:27:57,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:27:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:27:57,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:27:57,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:27:57,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111641923] [2021-06-10 16:27:57,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:27:57,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:27:57,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:27:57,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:27:57,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:27:57,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 3316 transitions, 86455 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) [2021-06-10 16:27:57,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:27:57,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:27:57,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:28:02,398 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][143], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 2195#(<= i1 i2), Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 4200#(or (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (not (= i1 (+ i2 1)))), Black: 4313#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (= (select x i1) t21) (or (not (= i2 1)) (= t22 s2)) (= (select x 1) s1)), 1244#true, Black: 4201#(or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 4297#(and (or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 4202#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4203#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4238#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4303#(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 (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 4323#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true, Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1805#true, Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 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s1) s2))), Black: 4333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4467#true, Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 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(- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= 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(= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:28:02,399 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:28:02,399 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:28:02,399 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:28:02,399 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:28:03,769 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][143], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= 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t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:28:03,769 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:28:03,769 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:28:03,769 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:28:03,769 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:28:06,066 INFO L129 PetriNetUnfolder]: 6782/10944 cut-off events. [2021-06-10 16:28:06,066 INFO L130 PetriNetUnfolder]: For 923663/923764 co-relation queries the response was YES. [2021-06-10 16:28:06,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186876 conditions, 10944 events. 6782/10944 cut-off events. For 923663/923764 co-relation queries the response was YES. Maximal size of possible extension queue 835. Compared 77627 event pairs, 190 based on Foata normal form. 52/10964 useless extension candidates. Maximal degree in co-relation 186481. Up to 8836 conditions per place. [2021-06-10 16:28:06,369 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2860 selfloop transitions, 485 changer transitions 0/3358 dead transitions. [2021-06-10 16:28:06,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 3358 transitions, 95423 flow [2021-06-10 16:28:06,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-10 16:28:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-06-10 16:28:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 915 transitions. [2021-06-10 16:28:06,370 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7887931034482759 [2021-06-10 16:28:06,370 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 915 transitions. [2021-06-10 16:28:06,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 915 transitions. [2021-06-10 16:28:06,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:28:06,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 915 transitions. [2021-06-10 16:28:06,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 22.875) internal successors, (915), 40 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:28:06,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 29.0) internal successors, (1189), 41 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:28:06,372 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 29.0) internal successors, (1189), 41 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:28:06,373 INFO L185 Difference]: Start difference. First operand has 643 places, 3316 transitions, 86455 flow. Second operand 40 states and 915 transitions. [2021-06-10 16:28:06,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 3358 transitions, 95423 flow [2021-06-10 16:28:11,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 3358 transitions, 94357 flow, removed 435 selfloop flow, removed 18 redundant places. [2021-06-10 16:28:11,867 INFO L241 Difference]: Finished difference. Result has 667 places, 3357 transitions, 88818 flow [2021-06-10 16:28:11,869 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=85389, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=451, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2840, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=88818, PETRI_PLACES=667, PETRI_TRANSITIONS=3357} [2021-06-10 16:28:11,869 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 635 predicate places. [2021-06-10 16:28:11,869 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 3357 transitions, 88818 flow [2021-06-10 16:28:11,870 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) [2021-06-10 16:28:11,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:28:11,870 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, 1] [2021-06-10 16:28:12,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:28:12,071 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:28:12,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:28:12,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1074673279, now seen corresponding path program 9 times [2021-06-10 16:28:12,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:28:12,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577755604] [2021-06-10 16:28:12,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:28:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:28:12,091 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:28:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,105 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:28:12,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:12,116 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:28:12,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:12,126 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:28:12,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:28:12,138 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 16:28:12,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:28:12,155 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-06-10 16:28:12,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:28:12,171 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-06-10 16:28:12,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:12,187 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:28:12,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:12,203 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:28:12,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:28:12,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:28:12,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577755604] [2021-06-10 16:28:12,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680428328] [2021-06-10 16:28:12,226 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 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 [2021-06-10 16:28:12,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-10 16:28:12,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:28:12,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:28:12,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:28:12,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:12,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:12,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:12,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:12,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:12,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:12,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:12,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:12,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,268 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:28:12,269 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:28:12,269 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-10 16:28:12,269 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-10 16:28:12,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:12,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:12,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:12,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:12,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:12,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:12,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:12,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:28:12,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:28:12,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:28:12,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:12,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:28:12,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:12,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:12,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:12,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,348 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-10 16:28:12,348 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-06-10 16:28:12,349 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-06-10 16:28:12,349 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-10 16:28:12,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:28:12,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:28:12,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:28:12,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:12,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:12,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:28:12,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:12,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:12,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:28:12,392 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,393 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 [2021-06-10 16:28:12,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,394 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:28:12,394 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:28:12,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:28:12,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:28:12,412 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:28:12,412 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-06-10 16:28:12,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:28:12,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:28:12,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:28:12,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:12,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,501 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-06-10 16:28:12,501 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-06-10 16:28:12,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:12,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:28:12,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,503 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:28:12,504 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:12,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,505 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size 36 [2021-06-10 16:28:12,506 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-06-10 16:28:12,506 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size [2021-06-10 16:28:12,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:28:12,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:28:12,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:28:12,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:28:12,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:28:12,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:28:12,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:28:12,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:28:12,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:28:12,563 INFO L142 QuantifierPusher]: treesize reduction 51, result has 1.9 percent of original size [2021-06-10 16:28:12,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:12,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:12,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:12,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:12,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:28:12,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:28:12,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:28:12,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438610244] [2021-06-10 16:28:12,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:28:12,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:28:12,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:28:12,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:28:12,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:28:12,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 3357 transitions, 88818 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) [2021-06-10 16:28:12,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:28:12,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:28:12,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:28:17,395 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][152], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 4739#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 4695#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4743#(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: 2195#(<= i1 i2), 4819#true, Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 4200#(or (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (not (= i1 (+ i2 1)))), Black: 4313#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (= (select x i1) t21) (or (not (= i2 1)) (= t22 s2)) (= (select x 1) s1)), 1244#true, Black: 4201#(or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 4297#(and (or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 4202#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4203#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4238#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4303#(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 (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 4323#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true, Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1805#true, Black: 2261#true, Black: 2264#(<= i2 (+ i1 1)), 2331#true, Black: 2715#(or (and (<= t12 s1) (<= s1 t12) (= (select x i1) t11) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) 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t22 s2)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:28:17,395 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:28:17,395 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:28:17,396 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:28:17,396 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:28:18,766 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][152], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 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(= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:28:18,766 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:28:18,766 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:28:18,766 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:28:18,766 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:28:19,509 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][23], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), 5#L80true, Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 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(not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div 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(= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2038#(<= (+ i2 2) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:28:19,510 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-06-10 16:28:19,510 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:28:19,510 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:28:19,510 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-06-10 16:28:20,862 INFO L129 PetriNetUnfolder]: 6795/10936 cut-off events. [2021-06-10 16:28:20,863 INFO L130 PetriNetUnfolder]: For 937588/937626 co-relation queries the response was YES. [2021-06-10 16:28:21,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188587 conditions, 10936 events. 6795/10936 cut-off events. For 937588/937626 co-relation queries the response was YES. Maximal size of possible extension queue 816. Compared 77084 event pairs, 207 based on Foata normal form. 23/10924 useless extension candidates. Maximal degree in co-relation 188188. Up to 8966 conditions per place. [2021-06-10 16:28:21,152 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3179 selfloop transitions, 180 changer transitions 0/3372 dead transitions. [2021-06-10 16:28:21,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 3372 transitions, 96750 flow [2021-06-10 16:28:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-10 16:28:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-10 16:28:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 463 transitions. [2021-06-10 16:28:21,153 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7982758620689655 [2021-06-10 16:28:21,153 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 463 transitions. [2021-06-10 16:28:21,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 463 transitions. [2021-06-10 16:28:21,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:28:21,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 463 transitions. [2021-06-10 16:28:21,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.15) internal successors, (463), 20 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:28:21,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:28:21,154 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:28:21,155 INFO L185 Difference]: Start difference. First operand has 667 places, 3357 transitions, 88818 flow. Second operand 20 states and 463 transitions. [2021-06-10 16:28:21,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 686 places, 3372 transitions, 96750 flow [2021-06-10 16:28:26,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 655 places, 3372 transitions, 95029 flow, removed 655 selfloop flow, removed 31 redundant places. [2021-06-10 16:28:26,837 INFO L241 Difference]: Finished difference. Result has 657 places, 3372 transitions, 88714 flow [2021-06-10 16:28:26,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=87097, PETRI_DIFFERENCE_MINUEND_PLACES=636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=88714, PETRI_PLACES=657, PETRI_TRANSITIONS=3372} [2021-06-10 16:28:26,839 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 625 predicate places. [2021-06-10 16:28:26,839 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 3372 transitions, 88714 flow [2021-06-10 16:28:26,839 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) [2021-06-10 16:28:26,839 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:28:26,839 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:28:27,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-06-10 16:28:27,040 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:28:27,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:28:27,040 INFO L82 PathProgramCache]: Analyzing trace with hash -36673157, now seen corresponding path program 10 times [2021-06-10 16:28:27,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:28:27,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830657853] [2021-06-10 16:28:27,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:28:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:28:27,053 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:28:27,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:28:27,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:27,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:28:27,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:28:27,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:28:27,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:28:27,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:28:27,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:27,138 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:28:27,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:28:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:27,152 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:28:27,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830657853] [2021-06-10 16:28:27,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909436210] [2021-06-10 16:28:27,152 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 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 [2021-06-10 16:28:27,175 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:28:27,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:28:27,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:28:27,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:28:27,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:27,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:27,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:27,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:27,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:27,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:27,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:27,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:27,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:27,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:27,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:27,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:27,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,213 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:28:27,214 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:28:27,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:27,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:27,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:27,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:27,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:27,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:27,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:28:27,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,250 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-10 16:28:27,250 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-10 16:28:27,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:27,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:27,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:28:27,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:28:27,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:28:27,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,292 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-06-10 16:28:27,292 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-10 16:28:27,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:27,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:27,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:27,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:27,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:27,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:27,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:27,326 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,326 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 [2021-06-10 16:28:27,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,327 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:28:27,327 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:28:27,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:27,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:28:27,338 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:27,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:28:27,339 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-06-10 16:28:27,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:27,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:27,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,366 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:28:27,366 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:28:27,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:27,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:28:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:28:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,368 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:28:27,368 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:27,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:28:27,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:27,435 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:28:27,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:27,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:27,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:27,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:27,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:28:27,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:28:27,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:28:27,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424353234] [2021-06-10 16:28:27,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:28:27,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:28:27,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:28:27,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:28:27,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:28:27,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 3372 transitions, 88714 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) [2021-06-10 16:28:27,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:28:27,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:28:27,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:28:31,845 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][143], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 611#true, 1635#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 112#(<= i1 i2), 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 4739#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 4695#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4743#(and (or (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div (* 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(<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), 1327#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 4921#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4894#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= 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(and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(and (or (and (not 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1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:28:31,845 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:28:31,845 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:28:31,845 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:28:31,845 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:28:33,177 INFO L382 tUnfolder$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][143], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists 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2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:28:33,178 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:28:33,178 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:28:33,178 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:28:33,178 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:28:35,419 INFO L129 PetriNetUnfolder]: 6871/11060 cut-off events. [2021-06-10 16:28:35,420 INFO L130 PetriNetUnfolder]: For 965650/965799 co-relation queries the response was YES. [2021-06-10 16:28:35,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192267 conditions, 11060 events. 6871/11060 cut-off events. For 965650/965799 co-relation queries the response was YES. Maximal size of possible extension queue 842. Compared 78267 event pairs, 189 based on Foata normal form. 72/11092 useless extension candidates. Maximal degree in co-relation 191863. Up to 8931 conditions per place. [2021-06-10 16:28:35,736 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2939 selfloop transitions, 482 changer transitions 0/3434 dead transitions. [2021-06-10 16:28:35,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 3434 transitions, 100094 flow [2021-06-10 16:28:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-10 16:28:35,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-06-10 16:28:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 803 transitions. [2021-06-10 16:28:35,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7911330049261084 [2021-06-10 16:28:35,737 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 803 transitions. [2021-06-10 16:28:35,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 803 transitions. [2021-06-10 16:28:35,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:28:35,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 803 transitions. [2021-06-10 16:28:35,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 22.942857142857143) internal successors, (803), 35 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:28:35,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 29.0) internal successors, (1044), 36 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:28:35,739 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 29.0) internal successors, (1044), 36 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:28:35,739 INFO L185 Difference]: Start difference. First operand has 657 places, 3372 transitions, 88714 flow. Second operand 35 states and 803 transitions. [2021-06-10 16:28:35,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 3434 transitions, 100094 flow [2021-06-10 16:28:41,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 676 places, 3434 transitions, 98948 flow, removed 482 selfloop flow, removed 15 redundant places. [2021-06-10 16:28:41,667 INFO L241 Difference]: Finished difference. Result has 679 places, 3430 transitions, 92979 flow [2021-06-10 16:28:41,669 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=87568, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=438, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2921, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=92979, PETRI_PLACES=679, PETRI_TRANSITIONS=3430} [2021-06-10 16:28:41,669 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 647 predicate places. [2021-06-10 16:28:41,669 INFO L480 AbstractCegarLoop]: Abstraction has has 679 places, 3430 transitions, 92979 flow [2021-06-10 16:28:41,669 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) [2021-06-10 16:28:41,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:28:41,669 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, 1] [2021-06-10 16:28:41,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-06-10 16:28:41,870 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:28:41,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:28:41,870 INFO L82 PathProgramCache]: Analyzing trace with hash 545006335, now seen corresponding path program 10 times [2021-06-10 16:28:41,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:28:41,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065685801] [2021-06-10 16:28:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:28:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:28:41,886 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:28:41,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:41,900 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:28:41,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:41,911 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:28:41,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:41,921 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:28:41,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:28:41,934 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 16:28:41,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:28:41,949 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-06-10 16:28:41,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:28:41,964 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-06-10 16:28:41,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:41,978 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:28:41,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:42,031 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:28:42,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:28:42,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:28:42,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065685801] [2021-06-10 16:28:42,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166637983] [2021-06-10 16:28:42,046 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 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 [2021-06-10 16:28:42,068 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:28:42,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:28:42,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:28:42,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:28:42,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:42,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:42,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:42,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:42,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:42,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:42,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:42,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:42,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:42,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:42,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:42,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:42,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:42,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,092 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:28:42,093 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:28:42,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:42,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:42,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:42,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:42,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:42,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:42,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:42,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,132 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-06-10 16:28:42,132 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-06-10 16:28:42,133 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-10 16:28:42,133 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-10 16:28:42,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:42,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:42,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,150 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-10 16:28:42,150 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-06-10 16:28:42,151 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-06-10 16:28:42,151 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-10 16:28:42,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:28:42,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:28:42,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:28:42,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:42,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:42,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:28:42,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:42,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:42,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:28:42,188 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,188 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 [2021-06-10 16:28:42,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,190 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:28:42,190 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:28:42,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:42,191 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:28:42,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:28:42,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:28:42,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-06-10 16:28:42,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:28:42,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:28:42,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,238 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-06-10 16:28:42,238 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-06-10 16:28:42,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:42,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:42,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:42,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,264 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:28:42,265 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:28:42,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:42,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:28:42,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:28:42,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,267 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:28:42,267 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:42,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:28:42,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:42,328 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:28:42,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:42,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:42,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:42,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:42,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:28:42,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:28:42,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:28:42,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129250982] [2021-06-10 16:28:42,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:28:42,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:28:42,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:28:42,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:28:42,331 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:28:42,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 679 places, 3430 transitions, 92979 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) [2021-06-10 16:28:42,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:28:42,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:28:42,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:28:46,641 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][143], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3115#(and (= (select x 1) t22) (= (select x i1) t21) (= (select x 1) s1) (= s2 0)), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 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(+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:28:46,641 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:28:46,641 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:28:46,641 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:28:46,641 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:28:47,768 INFO L382 tUnfolder$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][143], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 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s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:28:47,768 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:28:47,768 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:28:47,768 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:28:47,768 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:28:50,273 INFO L129 PetriNetUnfolder]: 6884/11091 cut-off events. [2021-06-10 16:28:50,273 INFO L130 PetriNetUnfolder]: For 978848/978893 co-relation queries the response was YES. [2021-06-10 16:28:50,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194232 conditions, 11091 events. 6884/11091 cut-off events. For 978848/978893 co-relation queries the response was YES. Maximal size of possible extension queue 829. Compared 78496 event pairs, 290 based on Foata normal form. 23/11074 useless extension candidates. Maximal degree in co-relation 193823. Up to 9077 conditions per place. [2021-06-10 16:28:50,573 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3242 selfloop transitions, 185 changer transitions 0/3440 dead transitions. [2021-06-10 16:28:50,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 699 places, 3440 transitions, 100691 flow [2021-06-10 16:28:50,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-10 16:28:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-10 16:28:50,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 487 transitions. [2021-06-10 16:28:50,574 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7996715927750411 [2021-06-10 16:28:50,574 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 487 transitions. [2021-06-10 16:28:50,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 487 transitions. [2021-06-10 16:28:50,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:28:50,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 487 transitions. [2021-06-10 16:28:50,575 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) [2021-06-10 16:28:50,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:28:50,575 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:28:50,575 INFO L185 Difference]: Start difference. First operand has 679 places, 3430 transitions, 92979 flow. Second operand 21 states and 487 transitions. [2021-06-10 16:28:50,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 699 places, 3440 transitions, 100691 flow [2021-06-10 16:28:56,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 3440 transitions, 97545 flow, removed 1390 selfloop flow, removed 24 redundant places. [2021-06-10 16:28:56,527 INFO L241 Difference]: Finished difference. Result has 677 places, 3440 transitions, 91112 flow [2021-06-10 16:28:56,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=89833, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=91112, PETRI_PLACES=677, PETRI_TRANSITIONS=3440} [2021-06-10 16:28:56,529 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 645 predicate places. [2021-06-10 16:28:56,529 INFO L480 AbstractCegarLoop]: Abstraction has has 677 places, 3440 transitions, 91112 flow [2021-06-10 16:28:56,529 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) [2021-06-10 16:28:56,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:28:56,529 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, 1] [2021-06-10 16:28:56,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,54 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:28:56,730 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:28:56,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:28:56,730 INFO L82 PathProgramCache]: Analyzing trace with hash 2094561423, now seen corresponding path program 8 times [2021-06-10 16:28:56,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:28:56,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433461060] [2021-06-10 16:28:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:28:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:28:56,744 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:28:56,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:56,758 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:28:56,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:28:56,769 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-06-10 16:28:56,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:56,780 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-10 16:28:56,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:28:56,791 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-10 16:28:56,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:28:56,810 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-06-10 16:28:56,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:28:56,842 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-06-10 16:28:56,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:28:56,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:28:56,883 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:28:56,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:28:56,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:28:56,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433461060] [2021-06-10 16:28:56,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333348188] [2021-06-10 16:28:56,899 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 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 [2021-06-10 16:28:56,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:28:56,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:28:56,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:28:56,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:28:56,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:28:56,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:28:56,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:56,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:56,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:56,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:28:56,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:28:56,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:28:56,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:28:56,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:56,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:56,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:56,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:28:56,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:28:56,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:56,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:56,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:56,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:28:57,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:28:57,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:57,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:57,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:28:57,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:57,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:28:57,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:28:57,020 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,020 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 [2021-06-10 16:28:57,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:28:57,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:28:57,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:28:57,034 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:28:57,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:28:57,035 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-06-10 16:28:57,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:28:57,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:28:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:28:57,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:28:57,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:28:57,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:28:57,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:28:57,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,087 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:28:57,088 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:28:57,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:57,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:28:57,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,114 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:28:57,114 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:28:57,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:57,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:28:57,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:28:57,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,116 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:28:57,116 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:28:57,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:28:57,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:28:57,175 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:28:57,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:57,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:57,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:57,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:28:57,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:28:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:28:57,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:28:57,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:28:57,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964252254] [2021-06-10 16:28:57,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:28:57,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:28:57,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:28:57,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:28:57,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:28:57,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 677 places, 3440 transitions, 91112 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) [2021-06-10 16:28:57,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:28:57,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:28:57,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:29:02,100 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][139], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 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(not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:29:02,101 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:29:02,101 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:29:02,101 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:29:02,101 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:29:03,594 INFO L382 tUnfolder$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][139], [Black: 2561#(and (= (select x (+ s2 1)) 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s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 4384#(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: 4454#(and (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: 4332#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 4380#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 4333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4467#true, Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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)))), 2961#true, Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:29:03,594 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:29:03,594 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:29:03,595 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:29:03,595 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:29:05,945 INFO L129 PetriNetUnfolder]: 6959/11233 cut-off events. [2021-06-10 16:29:05,945 INFO L130 PetriNetUnfolder]: For 1016142/1016180 co-relation queries the response was YES. [2021-06-10 16:29:06,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196237 conditions, 11233 events. 6959/11233 cut-off events. For 1016142/1016180 co-relation queries the response was YES. Maximal size of possible extension queue 834. Compared 79943 event pairs, 234 based on Foata normal form. 24/11216 useless extension candidates. Maximal degree in co-relation 195668. Up to 9145 conditions per place. [2021-06-10 16:29:06,270 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3226 selfloop transitions, 266 changer transitions 0/3505 dead transitions. [2021-06-10 16:29:06,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 3505 transitions, 102081 flow [2021-06-10 16:29:06,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-10 16:29:06,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-10 16:29:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 599 transitions. [2021-06-10 16:29:06,272 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7944297082228117 [2021-06-10 16:29:06,272 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 599 transitions. [2021-06-10 16:29:06,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 599 transitions. [2021-06-10 16:29:06,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:29:06,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 599 transitions. [2021-06-10 16:29:06,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 23.03846153846154) internal successors, (599), 26 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:29:06,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 29.0) internal successors, (783), 27 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:29:06,273 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 29.0) internal successors, (783), 27 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:29:06,273 INFO L185 Difference]: Start difference. First operand has 677 places, 3440 transitions, 91112 flow. Second operand 26 states and 599 transitions. [2021-06-10 16:29:06,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 702 places, 3505 transitions, 102081 flow [2021-06-10 16:29:13,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 3505 transitions, 101440 flow, removed 259 selfloop flow, removed 15 redundant places. [2021-06-10 16:29:13,234 INFO L241 Difference]: Finished difference. Result has 694 places, 3505 transitions, 95285 flow [2021-06-10 16:29:13,236 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=90471, PETRI_DIFFERENCE_MINUEND_PLACES=662, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=212, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=95285, PETRI_PLACES=694, PETRI_TRANSITIONS=3505} [2021-06-10 16:29:13,236 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 662 predicate places. [2021-06-10 16:29:13,236 INFO L480 AbstractCegarLoop]: Abstraction has has 694 places, 3505 transitions, 95285 flow [2021-06-10 16:29:13,236 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) [2021-06-10 16:29:13,236 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:29:13,236 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, 1] [2021-06-10 16:29:13,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:29:13,437 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:29:13,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:29:13,437 INFO L82 PathProgramCache]: Analyzing trace with hash -28462501, now seen corresponding path program 11 times [2021-06-10 16:29:13,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:29:13,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756937681] [2021-06-10 16:29:13,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:29:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:29:13,469 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:29:13,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:29:13,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:13,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:29:13,510 INFO L142 QuantifierPusher]: treesize reduction 29, result has 43.1 percent of original size [2021-06-10 16:29:13,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:13,528 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-06-10 16:29:13,528 INFO L147 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size 18 [2021-06-10 16:29:13,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:13,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:29:13,603 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:29:13,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:29:13,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756937681] [2021-06-10 16:29:13,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039435750] [2021-06-10 16:29:13,622 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 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 [2021-06-10 16:29:13,654 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-10 16:29:13,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:29:13,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-10 16:29:13,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:29:13,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:13,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:13,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:13,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:13,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:13,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:29:13,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,710 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-06-10 16:29:13,710 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-10 16:29:13,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:29:13,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:29:13,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:29:13,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:13,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:13,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:13,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:13,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:13,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:13,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:13,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:29:13,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:13,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:29:13,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:29:13,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:13,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:29:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:29:13,764 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,764 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 [2021-06-10 16:29:13,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,765 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-06-10 16:29:13,766 INFO L142 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size [2021-06-10 16:29:13,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:29:13,766 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:29:13,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:29:13,780 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:29:13,780 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:38 [2021-06-10 16:29:13,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:29:13,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:29:13,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,810 INFO L147 QuantifierPusher]: treesize reduction 13, result has 75.5 percent of original size 40 [2021-06-10 16:29:13,810 INFO L142 QuantifierPusher]: treesize reduction 13, result has 75.9 percent of original size [2021-06-10 16:29:13,811 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-06-10 16:29:13,811 INFO L142 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size [2021-06-10 16:29:13,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:29:13,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:29:13,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,840 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.7 percent of original size 39 [2021-06-10 16:29:13,840 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.0 percent of original size [2021-06-10 16:29:13,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:13,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:29:13,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 16:29:13,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,842 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:29:13,843 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:13,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,843 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:29:13,844 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:13,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:13,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:13,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:29:13,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:13,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:13,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:13,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:13,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,883 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:29:13,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:29:13,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:13,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:13,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:13,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:13,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:13,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:29:13,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:29:13,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-10 16:29:13,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134547741] [2021-06-10 16:29:13,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-10 16:29:13,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:29:13,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-10 16:29:13,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-06-10 16:29:13,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:29:13,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 3505 transitions, 95285 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) [2021-06-10 16:29:13,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:29:13,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:29:13,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:29:19,136 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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists 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3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:29:19,136 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:29:19,136 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:29:19,136 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:29:19,136 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:29:20,666 INFO L382 tUnfolder$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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) 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1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod s2 2)) (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 2))) (* 2 s2)))))), Black: 2956#(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)))), 2961#true, Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ 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s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:29:20,667 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:29:20,667 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:29:20,667 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:29:20,667 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:29:23,334 INFO L129 PetriNetUnfolder]: 7000/11298 cut-off events. [2021-06-10 16:29:23,334 INFO L130 PetriNetUnfolder]: For 1058976/1059216 co-relation queries the response was YES. [2021-06-10 16:29:23,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199489 conditions, 11298 events. 7000/11298 cut-off events. For 1058976/1059216 co-relation queries the response was YES. Maximal size of possible extension queue 860. Compared 80510 event pairs, 215 based on Foata normal form. 77/11337 useless extension candidates. Maximal degree in co-relation 199065. Up to 9159 conditions per place. [2021-06-10 16:29:23,682 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3172 selfloop transitions, 380 changer transitions 0/3565 dead transitions. [2021-06-10 16:29:23,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 720 places, 3565 transitions, 105390 flow [2021-06-10 16:29:23,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-10 16:29:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-06-10 16:29:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 623 transitions. [2021-06-10 16:29:23,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7956577266922095 [2021-06-10 16:29:23,684 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 623 transitions. [2021-06-10 16:29:23,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 623 transitions. [2021-06-10 16:29:23,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:29:23,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 623 transitions. [2021-06-10 16:29:23,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 23.074074074074073) internal successors, (623), 27 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:29:23,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 29.0) internal successors, (812), 28 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:29:23,685 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 29.0) internal successors, (812), 28 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:29:23,685 INFO L185 Difference]: Start difference. First operand has 694 places, 3505 transitions, 95285 flow. Second operand 27 states and 623 transitions. [2021-06-10 16:29:23,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 720 places, 3565 transitions, 105390 flow [2021-06-10 16:29:30,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 706 places, 3565 transitions, 102794 flow, removed 1240 selfloop flow, removed 14 redundant places. [2021-06-10 16:29:30,384 INFO L241 Difference]: Finished difference. Result has 709 places, 3564 transitions, 96666 flow [2021-06-10 16:29:30,385 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=92689, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=330, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=96666, PETRI_PLACES=709, PETRI_TRANSITIONS=3564} [2021-06-10 16:29:30,386 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 677 predicate places. [2021-06-10 16:29:30,386 INFO L480 AbstractCegarLoop]: Abstraction has has 709 places, 3564 transitions, 96666 flow [2021-06-10 16:29:30,386 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) [2021-06-10 16:29:30,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:29:30,386 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, 1] [2021-06-10 16:29:30,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:29:30,586 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:29:30,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:29:30,587 INFO L82 PathProgramCache]: Analyzing trace with hash 662578107, now seen corresponding path program 12 times [2021-06-10 16:29:30,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:29:30,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201101319] [2021-06-10 16:29:30,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:29:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:29:30,603 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:29:30,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:30,618 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:29:30,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:30,628 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:29:30,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:30,638 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:29:30,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:29:30,649 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 16:29:30,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,663 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-06-10 16:29:30,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:29:30,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,693 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:29:30,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:29:30,708 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:29:30,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:30,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:29:30,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201101319] [2021-06-10 16:29:30,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107219301] [2021-06-10 16:29:30,723 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 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 [2021-06-10 16:29:30,746 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-10 16:29:30,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:29:30,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-10 16:29:30,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:29:30,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:30,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:30,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:30,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:30,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:30,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:30,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:30,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:30,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:30,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:30,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:30,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:30,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,774 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:29:30,774 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:29:30,774 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-10 16:29:30,774 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-10 16:29:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:30,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:30,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:30,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:30,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:30,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:30,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,792 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-06-10 16:29:30,792 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-06-10 16:29:30,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,816 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size 33 [2021-06-10 16:29:30,816 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-10 16:29:30,816 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-06-10 16:29:30,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-10 16:29:30,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:30,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,836 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-06-10 16:29:30,836 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:29:30,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:29:30,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:29:30,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:29:30,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:30,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:30,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:30,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:29:30,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:30,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:30,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:29:30,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:30,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:29:30,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:29:30,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-10 16:29:30,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-10 16:29:30,889 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,889 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 30 [2021-06-10 16:29:30,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,890 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-10 16:29:30,890 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-10 16:29:30,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:29:30,891 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:29:30,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:29:30,900 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2021-06-10 16:29:30,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,924 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-06-10 16:29:30,924 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-06-10 16:29:30,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:29:30,967 INFO L142 QuantifierPusher]: treesize reduction 33, result has 2.9 percent of original size [2021-06-10 16:29:30,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:30,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:30,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:30,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:30,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:29:30,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:29:30,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:29:30,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578126477] [2021-06-10 16:29:30,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:29:30,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:29:30,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:29:30,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:29:30,971 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:29:30,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 709 places, 3564 transitions, 96666 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) [2021-06-10 16:29:30,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:29:30,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:29:30,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:29:35,717 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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 611#true, 1635#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 5200#(and (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), Black: 5216#(and (or (= s2 s1) (not (= 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: 5168#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5269#(and (or (not (= i2 i1)) (= t12 t11)) (or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 5208#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (or (not (= i2 1)) (= t12 s1)) (or (not (= i1 1)) (= t11 s1))), Black: 112#(<= i1 i2), Black: 5273#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), 5282#true, 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 4739#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 4695#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4743#(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: 2195#(<= i1 i2), 4819#true, Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 4200#(or (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (not (= i1 (+ i2 1)))), 1244#true, Black: 4313#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (= (select x i1) t21) (or (not (= i2 1)) (= t22 s2)) (= (select x 1) s1)), Black: 4201#(or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 4297#(and (or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 4202#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4203#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4238#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4303#(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 (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 4323#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true, Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1725#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 1726#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1758#(= s2 s1), 1805#true, Black: 5290#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t21)) (<= (+ s1 t21) (+ s2 t12)))), Black: 5291#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2261#true, 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4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:29:35,718 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:29:35,718 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:29:35,718 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:29:35,718 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:29:37,482 INFO L382 tUnfolder$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} 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(= 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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:29:37,483 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:29:37,483 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:29:37,483 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:29:37,483 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:29:40,041 INFO L129 PetriNetUnfolder]: 7026/11362 cut-off events. [2021-06-10 16:29:40,042 INFO L130 PetriNetUnfolder]: For 1091414/1091561 co-relation queries the response was YES. [2021-06-10 16:29:40,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200188 conditions, 11362 events. 7026/11362 cut-off events. For 1091414/1091561 co-relation queries the response was YES. Maximal size of possible extension queue 866. Compared 81329 event pairs, 214 based on Foata normal form. 52/11375 useless extension candidates. Maximal degree in co-relation 199760. Up to 9278 conditions per place. [2021-06-10 16:29:40,620 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3454 selfloop transitions, 139 changer transitions 0/3606 dead transitions. [2021-06-10 16:29:40,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 727 places, 3606 transitions, 106257 flow [2021-06-10 16:29:40,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-10 16:29:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-10 16:29:40,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 436 transitions. [2021-06-10 16:29:40,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7912885662431942 [2021-06-10 16:29:40,621 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 436 transitions. [2021-06-10 16:29:40,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 436 transitions. [2021-06-10 16:29:40,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:29:40,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 436 transitions. [2021-06-10 16:29:40,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 22.94736842105263) internal successors, (436), 19 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:29:40,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 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) [2021-06-10 16:29:40,622 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 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) [2021-06-10 16:29:40,622 INFO L185 Difference]: Start difference. First operand has 709 places, 3564 transitions, 96666 flow. Second operand 19 states and 436 transitions. [2021-06-10 16:29:40,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 727 places, 3606 transitions, 106257 flow [2021-06-10 16:29:47,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 707 places, 3606 transitions, 104527 flow, removed 717 selfloop flow, removed 20 redundant places. [2021-06-10 16:29:47,254 INFO L241 Difference]: Finished difference. Result has 712 places, 3602 transitions, 97574 flow [2021-06-10 16:29:47,256 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=94936, PETRI_DIFFERENCE_MINUEND_PLACES=689, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=97574, PETRI_PLACES=712, PETRI_TRANSITIONS=3602} [2021-06-10 16:29:47,256 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 680 predicate places. [2021-06-10 16:29:47,256 INFO L480 AbstractCegarLoop]: Abstraction has has 712 places, 3602 transitions, 97574 flow [2021-06-10 16:29:47,256 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) [2021-06-10 16:29:47,256 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:29:47,256 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, 1] [2021-06-10 16:29:47,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:29:47,456 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:29:47,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:29:47,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1881221115, now seen corresponding path program 13 times [2021-06-10 16:29:47,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:29:47,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536226808] [2021-06-10 16:29:47,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:29:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:29:47,472 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:29:47,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,487 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:29:47,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:47,498 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:29:47,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:47,509 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:29:47,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:29:47,522 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-06-10 16:29:47,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:29:47,537 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-06-10 16:29:47,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:29:47,558 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-06-10 16:29:47,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:29:47,575 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:29:47,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:29:47,590 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:29:47,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:29:47,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:29:47,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536226808] [2021-06-10 16:29:47,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112708966] [2021-06-10 16:29:47,605 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 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 [2021-06-10 16:29:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:29:47,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:29:47,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:29:47,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:47,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:47,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:47,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:47,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:47,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:47,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:47,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:29:47,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,637 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:29:47,637 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:29:47,637 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-10 16:29:47,638 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-10 16:29:47,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:29:47,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:29:47,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,653 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-10 16:29:47,653 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-10 16:29:47,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:47,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:47,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:47,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:47,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:47,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:47,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:29:47,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:29:47,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,694 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-10 16:29:47,694 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-10 16:29:47,695 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:29:47,695 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:29:47,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:29:47,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:29:47,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,712 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-10 16:29:47,713 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-06-10 16:29:47,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:29:47,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:29:47,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:29:47,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:29:47,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:47,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:47,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:29:47,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:47,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:29:47,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:29:47,747 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,747 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 [2021-06-10 16:29:47,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,748 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:29:47,748 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:29:47,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:29:47,749 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:29:47,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:29:47,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:29:47,761 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-06-10 16:29:47,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:29:47,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:29:47,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,790 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-06-10 16:29:47,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-06-10 16:29:47,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:29:47,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:29:47,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:29:47,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,836 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-06-10 16:29:47,836 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-06-10 16:29:47,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:47,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:29:47,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:29:47,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,839 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:29:47,840 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:29:47,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,842 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size 36 [2021-06-10 16:29:47,842 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-06-10 16:29:47,843 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size [2021-06-10 16:29:47,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 16:29:47,902 INFO L142 QuantifierPusher]: treesize reduction 51, result has 1.9 percent of original size [2021-06-10 16:29:47,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:47,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:47,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:47,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:29:47,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:29:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:29:47,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:29:47,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:29:47,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623127814] [2021-06-10 16:29:47,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:29:47,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:29:47,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:29:47,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:29:47,905 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:29:47,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 712 places, 3602 transitions, 97574 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) [2021-06-10 16:29:47,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:29:47,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:29:47,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:29:52,995 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][143], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 5200#(and (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), Black: 5216#(and (or (= s2 s1) (not (= 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: 5168#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5269#(and (or (not (= i2 i1)) (= t12 t11)) (or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= s1 (+ s2 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s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:29:52,996 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:29:52,996 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:29:52,996 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:29:52,996 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:29:54,545 INFO L382 tUnfolder$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][143], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 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(= t12 s2) (not (= i1 (+ i2 1)))) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 5451#(and (= (select x 1) s2) (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), 5505#true, Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:29:54,545 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:29:54,545 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:29:54,545 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:29:54,545 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:29:57,555 INFO L129 PetriNetUnfolder]: 7034/11348 cut-off events. [2021-06-10 16:29:57,556 INFO L130 PetriNetUnfolder]: For 1101361/1101399 co-relation queries the response was YES. [2021-06-10 16:29:57,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201103 conditions, 11348 events. 7034/11348 cut-off events. For 1101361/1101399 co-relation queries the response was YES. Maximal size of possible extension queue 846. Compared 80634 event pairs, 200 based on Foata normal form. 23/11331 useless extension candidates. Maximal degree in co-relation 200669. Up to 9290 conditions per place. [2021-06-10 16:29:58,092 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3438 selfloop transitions, 162 changer transitions 0/3613 dead transitions. [2021-06-10 16:29:58,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 732 places, 3613 transitions, 105753 flow [2021-06-10 16:29:58,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-10 16:29:58,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-10 16:29:58,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 480 transitions. [2021-06-10 16:29:58,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7881773399014779 [2021-06-10 16:29:58,094 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 480 transitions. [2021-06-10 16:29:58,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 480 transitions. [2021-06-10 16:29:58,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:29:58,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 480 transitions. [2021-06-10 16:29:58,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 22.857142857142858) internal successors, (480), 21 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) [2021-06-10 16:29:58,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:29:58,095 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:29:58,095 INFO L185 Difference]: Start difference. First operand has 712 places, 3602 transitions, 97574 flow. Second operand 21 states and 480 transitions. [2021-06-10 16:29:58,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 732 places, 3613 transitions, 105753 flow [2021-06-10 16:30:05,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 723 places, 3613 transitions, 104194 flow, removed 742 selfloop flow, removed 9 redundant places. [2021-06-10 16:30:05,785 INFO L241 Difference]: Finished difference. Result has 726 places, 3613 transitions, 97371 flow [2021-06-10 16:30:05,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=96015, PETRI_DIFFERENCE_MINUEND_PLACES=703, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=97371, PETRI_PLACES=726, PETRI_TRANSITIONS=3613} [2021-06-10 16:30:05,786 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 694 predicate places. [2021-06-10 16:30:05,786 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 3613 transitions, 97371 flow [2021-06-10 16:30:05,787 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) [2021-06-10 16:30:05,787 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:30:05,787 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:30:05,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:30:05,987 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:30:05,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:30:05,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1944891843, now seen corresponding path program 11 times [2021-06-10 16:30:05,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:30:05,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441179541] [2021-06-10 16:30:05,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:30:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:30:06,002 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-06-10 16:30:06,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,010 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-10 16:30:06,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:30:06,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:30:06,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,035 INFO L147 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size 23 [2021-06-10 16:30:06,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:30:06,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:06,079 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-06-10 16:30:06,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:30:06,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:06,110 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:30:06,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:30:06,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441179541] [2021-06-10 16:30:06,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898401365] [2021-06-10 16:30:06,124 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 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 [2021-06-10 16:30:06,148 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-10 16:30:06,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:30:06,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-10 16:30:06,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:30:06,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:06,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:06,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:06,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:06,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:06,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:06,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:06,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:06,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:06,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:06,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,181 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-06-10 16:30:06,181 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-06-10 16:30:06,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:30:06,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:06,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:06,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:06,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:30:06,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:30:06,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:30:06,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:30:06,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,229 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-06-10 16:30:06,230 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-10 16:30:06,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:06,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:30:06,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:30:06,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:06,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:30:06,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:06,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:30:06,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:30:06,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:06,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:30:06,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:30:06,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:06,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:30:06,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:06,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:30:06,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:30:06,279 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,279 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 [2021-06-10 16:30:06,280 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size [2021-06-10 16:30:06,280 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-06-10 16:30:06,281 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-06-10 16:30:06,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:30:06,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:30:06,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,295 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:30:06,295 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,296 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:30:06,297 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:06,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:06,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:06,300 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:30:06,300 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:12 [2021-06-10 16:30:06,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:06,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:06,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,319 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-06-10 16:30:06,319 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-06-10 16:30:06,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:06,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:06,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:06,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:06,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:06,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,358 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:30:06,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:06,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:06,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:06,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:06,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:06,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:06,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:06,362 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:30:06,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:30:06,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-10 16:30:06,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126455311] [2021-06-10 16:30:06,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-10 16:30:06,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:30:06,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-10 16:30:06,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2021-06-10 16:30:06,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:30:06,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 3613 transitions, 97371 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) [2021-06-10 16:30:06,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:30:06,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:30:06,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:30:11,237 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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), 4193#true, Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 3191#true, Black: 3683#(and (or 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2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 5200#(and (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), Black: 5216#(and (or (= s2 s1) (not (= 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: 5168#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5269#(and (or (not (= i2 i1)) (= t12 t11)) (or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 5208#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (or (not (= i2 1)) (= t12 s1)) (or (not (= i1 1)) (= t11 s1))), Black: 112#(<= i1 i2), Black: 5273#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), 5282#true, 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 4739#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 4695#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4743#(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: 2195#(<= i1 i2), 4819#true, Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 4200#(or (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (not (= i1 (+ i2 1)))), Black: 4313#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (= (select x i1) t21) (or (not (= i2 1)) (= t22 s2)) (= (select x 1) s1)), 1244#true, Black: 4201#(or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 4297#(and (or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 4202#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4203#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4238#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4303#(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 (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 4323#true, Black: 3721#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3770#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3774#(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)))), 3822#true, Black: 184#(and (= (select x i1) s1) (= s2 0)), Black: 169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 233#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 3312#(and (= (select x 1) s2) (or (not (= i2 1)) (= t22 s1)) (or (not (= i2 i1)) (= t11 t22)) (= (select x 1) s1) (= (select x i1) t11)), Black: 3200#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3201#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3234#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or 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1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), 5614#true, Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:30:11,237 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:30:11,237 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:30:11,237 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:30:11,237 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:30:13,002 INFO L382 tUnfolder$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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 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(not (= i2 i1)))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:30:13,002 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:30:13,002 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:30:13,002 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:30:13,002 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:30:15,882 INFO L129 PetriNetUnfolder]: 7171/11576 cut-off events. [2021-06-10 16:30:15,883 INFO L130 PetriNetUnfolder]: For 1139443/1139544 co-relation queries the response was YES. [2021-06-10 16:30:16,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206984 conditions, 11576 events. 7171/11576 cut-off events. For 1139443/1139544 co-relation queries the response was YES. Maximal size of possible extension queue 884. Compared 82799 event pairs, 220 based on Foata normal form. 51/11590 useless extension candidates. Maximal degree in co-relation 206544. Up to 9341 conditions per place. [2021-06-10 16:30:16,522 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3250 selfloop transitions, 493 changer transitions 0/3756 dead transitions. [2021-06-10 16:30:16,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 3756 transitions, 111763 flow [2021-06-10 16:30:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-10 16:30:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-10 16:30:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 495 transitions. [2021-06-10 16:30:16,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.812807881773399 [2021-06-10 16:30:16,524 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 495 transitions. [2021-06-10 16:30:16,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 495 transitions. [2021-06-10 16:30:16,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:30:16,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 495 transitions. [2021-06-10 16:30:16,524 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) [2021-06-10 16:30:16,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:30:16,525 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:30:16,525 INFO L185 Difference]: Start difference. First operand has 726 places, 3613 transitions, 97371 flow. Second operand 21 states and 495 transitions. [2021-06-10 16:30:16,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 3756 transitions, 111763 flow [2021-06-10 16:30:24,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 733 places, 3756 transitions, 111013 flow, removed 331 selfloop flow, removed 13 redundant places. [2021-06-10 16:30:24,170 INFO L241 Difference]: Finished difference. Result has 741 places, 3753 transitions, 105053 flow [2021-06-10 16:30:24,172 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=96621, PETRI_DIFFERENCE_MINUEND_PLACES=713, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=372, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=105053, PETRI_PLACES=741, PETRI_TRANSITIONS=3753} [2021-06-10 16:30:24,172 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 709 predicate places. [2021-06-10 16:30:24,172 INFO L480 AbstractCegarLoop]: Abstraction has has 741 places, 3753 transitions, 105053 flow [2021-06-10 16:30:24,172 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) [2021-06-10 16:30:24,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:30:24,172 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, 1] [2021-06-10 16:30:24,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-06-10 16:30:24,373 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:30:24,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:30:24,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1262113147, now seen corresponding path program 14 times [2021-06-10 16:30:24,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:30:24,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445988928] [2021-06-10 16:30:24,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:30:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:30:24,386 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:30:24,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:30:24,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:30:24,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:30:24,436 INFO L142 QuantifierPusher]: treesize reduction 27, result has 48.1 percent of original size [2021-06-10 16:30:24,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:24,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:30:24,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,495 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:30:24,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:24,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:30:24,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445988928] [2021-06-10 16:30:24,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543218597] [2021-06-10 16:30:24,516 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 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 [2021-06-10 16:30:24,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:30:24,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:30:24,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-10 16:30:24,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:30:24,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:24,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,598 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-06-10 16:30:24,599 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-06-10 16:30:24,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:24,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:24,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:24,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:24,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:24,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:24,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:30:24,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:30:24,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:30:24,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:30:24,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:30:24,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,649 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-06-10 16:30:24,649 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-10 16:30:24,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:30:24,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:30:24,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:30:24,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:30:24,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:30:24,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:30:24,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:30:24,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:30:24,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:24,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:24,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:24,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:30:24,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:24,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:24,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:30:24,736 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,736 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 25 treesize of output 41 [2021-06-10 16:30:24,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,738 INFO L147 QuantifierPusher]: treesize reduction 7, result has 83.7 percent of original size 36 [2021-06-10 16:30:24,738 INFO L142 QuantifierPusher]: treesize reduction 7, result has 83.7 percent of original size [2021-06-10 16:30:24,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:30:24,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:30:24,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:30:24,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:30:24,757 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:36 [2021-06-10 16:30:24,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:30:24,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:30:24,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,799 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-06-10 16:30:24,800 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-06-10 16:30:24,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:24,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:30:24,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 16:30:24,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,802 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:30:24,802 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:24,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,803 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:30:24,804 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:24,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:24,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:24,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:24,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:24,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:24,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:24,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:24,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,858 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:30:24,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:24,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:24,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:24,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:24,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:24,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:24,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:30:24,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:30:24,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-10 16:30:24,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852955453] [2021-06-10 16:30:24,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-10 16:30:24,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:30:24,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-10 16:30:24,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-10 16:30:24,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:30:24,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 741 places, 3753 transitions, 105053 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) [2021-06-10 16:30:24,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:30:24,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:30:24,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:30:30,591 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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12)), Black: 5715#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (or (not (= i2 i1)) (= t12 t11)) (= (select x i1) t11)), Black: 5621#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 5653#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 611#true, 1635#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 5200#(and (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), Black: 5216#(and (or (= s2 s1) (not (= 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: 5168#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5269#(and (or (not (= i2 i1)) (= t12 t11)) (or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 5208#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (or (not (= i2 1)) 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Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:30:30,591 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:30:30,591 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:30:30,591 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:30:30,591 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:30:32,022 INFO L382 tUnfolder$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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 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(= (+ 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: 4454#(and (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: 4332#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 4380#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 4333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4467#true, Black: 5459#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1))))), Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 5412#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 5447#(and (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1) (= (select x 1) t22) (= s2 0)), Black: 5498#(and (= (select x 1) s2) (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1) (or (= t12 s2) (not (= i1 (+ i2 1)))) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 5451#(and (= (select x 1) s2) (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), 5505#true, Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:30:32,023 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:30:32,023 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:30:32,023 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:30:32,023 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:30:35,230 INFO L129 PetriNetUnfolder]: 7230/11675 cut-off events. [2021-06-10 16:30:35,230 INFO L130 PetriNetUnfolder]: For 1194616/1194717 co-relation queries the response was YES. [2021-06-10 16:30:35,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212395 conditions, 11675 events. 7230/11675 cut-off events. For 1194616/1194717 co-relation queries the response was YES. Maximal size of possible extension queue 894. Compared 83733 event pairs, 210 based on Foata normal form. 51/11689 useless extension candidates. Maximal degree in co-relation 211935. Up to 9434 conditions per place. [2021-06-10 16:30:35,597 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3352 selfloop transitions, 447 changer transitions 0/3812 dead transitions. [2021-06-10 16:30:35,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 769 places, 3812 transitions, 116677 flow [2021-06-10 16:30:35,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-10 16:30:35,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-10 16:30:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 657 transitions. [2021-06-10 16:30:35,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7812128418549346 [2021-06-10 16:30:35,599 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 657 transitions. [2021-06-10 16:30:35,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 657 transitions. [2021-06-10 16:30:35,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:30:35,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 657 transitions. [2021-06-10 16:30:35,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 22.655172413793103) internal successors, (657), 29 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:30:35,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 29.0) internal successors, (870), 30 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) [2021-06-10 16:30:35,601 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 29.0) internal successors, (870), 30 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) [2021-06-10 16:30:35,601 INFO L185 Difference]: Start difference. First operand has 741 places, 3753 transitions, 105053 flow. Second operand 29 states and 657 transitions. [2021-06-10 16:30:35,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 769 places, 3812 transitions, 116677 flow [2021-06-10 16:30:43,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 759 places, 3812 transitions, 113458 flow, removed 1567 selfloop flow, removed 10 redundant places. [2021-06-10 16:30:43,851 INFO L241 Difference]: Finished difference. Result has 763 places, 3808 transitions, 106803 flow [2021-06-10 16:30:43,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=101834, PETRI_DIFFERENCE_MINUEND_PLACES=731, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3753, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=402, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=106803, PETRI_PLACES=763, PETRI_TRANSITIONS=3808} [2021-06-10 16:30:43,853 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 731 predicate places. [2021-06-10 16:30:43,853 INFO L480 AbstractCegarLoop]: Abstraction has has 763 places, 3808 transitions, 106803 flow [2021-06-10 16:30:43,853 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) [2021-06-10 16:30:43,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:30:43,853 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, 1] [2021-06-10 16:30:44,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-06-10 16:30:44,054 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:30:44,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:30:44,054 INFO L82 PathProgramCache]: Analyzing trace with hash -5831279, now seen corresponding path program 4 times [2021-06-10 16:30:44,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:30:44,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357368267] [2021-06-10 16:30:44,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:30:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:30:44,071 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:30:44,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:30:44,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:30:44,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:44,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:30:44,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:30:44,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:30:44,141 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.7 percent of original size [2021-06-10 16:30:44,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:30:44,175 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:30:44,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:44,196 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:30:44,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:30:44,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:44,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:30:44,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357368267] [2021-06-10 16:30:44,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843208724] [2021-06-10 16:30:44,214 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 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 [2021-06-10 16:30:44,242 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:30:44,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:30:44,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:30:44,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:30:44,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:44,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:44,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:44,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:44,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:44,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:44,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:44,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:30:44,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:30:44,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,279 INFO L147 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size 24 [2021-06-10 16:30:44,279 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-06-10 16:30:44,280 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:30:44,280 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-06-10 16:30:44,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:44,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:44,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:44,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:44,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:44,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:30:44,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:30:44,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:30:44,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:30:44,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:30:44,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:30:44,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:30:44,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:44,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:44,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:30:44,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:30:44,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:44,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:30:44,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:30:44,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:44,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:30:44,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:30:44,371 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,372 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 [2021-06-10 16:30:44,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:30:44,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:30:44,373 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:30:44,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:30:44,385 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:30:44,385 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-06-10 16:30:44,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:30:44,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:30:44,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:30:44,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,412 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:30:44,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:30:44,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:30:44,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:30:44,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,441 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:30:44,441 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:30:44,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:44,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:30:44,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:30:44,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,443 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:30:44,443 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:30:44,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,445 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:30:44,445 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:30:44,446 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:30:44,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:30:44,531 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:30:44,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:44,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:44,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:44,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:30:44,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:30:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:30:44,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:30:44,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:30:44,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534952441] [2021-06-10 16:30:44,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:30:44,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:30:44,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:30:44,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:30:44,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:30:44,534 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 763 places, 3808 transitions, 106803 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) [2021-06-10 16:30:44,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:30:44,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:30:44,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:30:50,375 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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 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3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 5200#(and (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), Black: 5216#(and (or (= s2 s1) (not (= 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: 5168#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5269#(and (or (not (= i2 i1)) (= t12 t11)) (or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 5208#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (or (not (= i2 1)) 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(or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5768#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1))))), Black: 4695#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5834#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (or (and (<= s1 (+ (select x i1) t12)) (<= (+ (select x i1) t12) s1)) (not (= i1 (+ i2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 4743#(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)))), 5842#true, Black: 2195#(<= i1 i2), 4819#true, Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ 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t11)), Black: 3304#(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: 3245#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 3198#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (not (= i1 (+ i2 1)))), Black: 3199#(or (not (= i2 i1)) (and (= t11 t22) (<= s2 s1) (<= s1 s2))), 3326#true, Black: 689#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 766#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (or (not (= i2 i1)) (and (= t12 t21) (<= 0 s1) (<= s1 0) (= s2 0)))), Black: 718#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1797#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x i2) t22) (<= s2 s1) (<= s1 s2)), 775#true, Black: 1754#(and (= t22 s1) (= s2 0)), Black: 1723#(and (= 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(= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 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(mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:30:50,376 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:30:50,376 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:30:50,376 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:30:50,376 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:30:52,174 INFO L382 tUnfolder$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][142], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, 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(select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:30:52,175 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:30:52,175 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:30:52,175 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:30:52,175 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:30:55,280 INFO L129 PetriNetUnfolder]: 7458/12055 cut-off events. [2021-06-10 16:30:55,280 INFO L130 PetriNetUnfolder]: For 1321570/1321671 co-relation queries the response was YES. [2021-06-10 16:30:55,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223335 conditions, 12055 events. 7458/12055 cut-off events. For 1321570/1321671 co-relation queries the response was YES. Maximal size of possible extension queue 909. Compared 86827 event pairs, 195 based on Foata normal form. 53/12071 useless extension candidates. Maximal degree in co-relation 222877. Up to 9647 conditions per place. [2021-06-10 16:30:55,643 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3352 selfloop transitions, 592 changer transitions 0/3957 dead transitions. [2021-06-10 16:30:55,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 795 places, 3957 transitions, 124285 flow [2021-06-10 16:30:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-10 16:30:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-06-10 16:30:55,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 770 transitions. [2021-06-10 16:30:55,644 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8045977011494253 [2021-06-10 16:30:55,644 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 770 transitions. [2021-06-10 16:30:55,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 770 transitions. [2021-06-10 16:30:55,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:30:55,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 770 transitions. [2021-06-10 16:30:55,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 23.333333333333332) internal successors, (770), 33 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:30:55,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 29.0) internal successors, (986), 34 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:30:55,646 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 29.0) internal successors, (986), 34 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:30:55,646 INFO L185 Difference]: Start difference. First operand has 763 places, 3808 transitions, 106803 flow. Second operand 33 states and 770 transitions. [2021-06-10 16:30:55,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 795 places, 3957 transitions, 124285 flow [2021-06-10 16:31:04,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 3957 transitions, 121766 flow, removed 1091 selfloop flow, removed 22 redundant places. [2021-06-10 16:31:04,328 INFO L241 Difference]: Finished difference. Result has 777 places, 3955 transitions, 115440 flow [2021-06-10 16:31:04,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=104284, PETRI_DIFFERENCE_MINUEND_PLACES=741, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3808, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=472, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=115440, PETRI_PLACES=777, PETRI_TRANSITIONS=3955} [2021-06-10 16:31:04,330 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 745 predicate places. [2021-06-10 16:31:04,330 INFO L480 AbstractCegarLoop]: Abstraction has has 777 places, 3955 transitions, 115440 flow [2021-06-10 16:31:04,330 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) [2021-06-10 16:31:04,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:31:04,330 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 16:31:04,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-06-10 16:31:04,545 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:31:04,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:31:04,545 INFO L82 PathProgramCache]: Analyzing trace with hash -198189187, now seen corresponding path program 12 times [2021-06-10 16:31:04,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:31:04,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270811863] [2021-06-10 16:31:04,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:31:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:31:04,559 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:31:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:31:04,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:31:04,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:31:04,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:31:04,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:31:04,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,633 INFO L142 QuantifierPusher]: treesize reduction 24, result has 38.5 percent of original size [2021-06-10 16:31:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:31:04,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:04,659 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:31:04,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:31:04,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:31:04,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270811863] [2021-06-10 16:31:04,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610508085] [2021-06-10 16:31:04,674 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) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:31:04,696 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-10 16:31:04,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:31:04,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:31:04,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:31:04,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:04,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:04,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:04,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:04,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:04,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:04,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:04,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:04,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:31:04,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:04,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:04,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:04,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:31:04,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,732 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:31:04,733 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:31:04,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:04,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:04,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:31:04,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:31:04,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:31:04,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:31:04,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:31:04,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:04,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:04,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:04,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:04,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:31:04,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:04,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:04,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:31:04,825 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,825 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 [2021-06-10 16:31:04,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:31:04,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:31:04,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:31:04,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:31:04,839 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:31:04,839 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-06-10 16:31:04,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:31:04,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:31:04,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:31:04,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,865 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:31:04,865 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:31:04,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:31:04,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:31:04,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,892 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:31:04,892 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:31:04,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:04,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:31:04,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:31:04,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,894 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:31:04,895 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:04,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,896 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:31:04,896 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:31:04,897 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:31:04,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:04,958 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:31:04,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:04,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:04,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:04,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:04,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:31:04,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:31:04,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:31:04,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784215181] [2021-06-10 16:31:04,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:31:04,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:31:04,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:31:04,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:31:04,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:31:04,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 777 places, 3955 transitions, 115440 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) [2021-06-10 16:31:04,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:31:04,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:31:04,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:31:11,703 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][145], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12)), Black: 5715#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (or (not (= i2 i1)) (= t12 t11)) (= (select x i1) t11)), Black: 5621#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 5653#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or 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3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) 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L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:31:11,703 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:31:11,704 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:31:11,704 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:31:13,304 INFO L382 tUnfolder$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][145], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select 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2716#(or (not (= i2 i1)) (and (= t11 t22) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 2717#(or (not (= i2 i1)) (and (<= (+ s2 t12) (+ s1 t11)) (<= (+ s1 t11) (+ s2 t12)))), Black: 2814#(and (or (= s2 s1) (not (= (+ i2 t12) (+ s1 1)))) (or (not (= (+ i1 t12) (+ s1 1))) (= t12 t11)) (or (not (= i2 i1)) (= (+ s1 t11) (+ s2 t12))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 2718#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2850#true, Black: 1250#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1275#(and (= s1 0) (= s2 (+ s1 t21))), Black: 1279#(= s2 s1), 1327#true, Black: 264#(= (+ s2 (select x i1)) s1), Black: 249#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 313#true, Black: 4921#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= (+ t12 t22) s1)) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 4894#(and (or (= s2 s1) (not (= 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i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 4332#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 4380#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 4333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4467#true, Black: 5459#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1))))), Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 5412#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 5447#(and (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1) (= (select x 1) t22) (= s2 0)), Black: 5498#(and (= (select x 1) s2) (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1) (or (= t12 s2) (not (= i1 (+ i2 1)))) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 5451#(and (= (select x 1) s2) (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), 5505#true, Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), 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(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:31:13,304 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:31:13,304 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:31:13,305 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:31:13,305 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:31:17,086 INFO L129 PetriNetUnfolder]: 7729/12521 cut-off events. [2021-06-10 16:31:17,086 INFO L130 PetriNetUnfolder]: For 1464288/1464389 co-relation queries the response was YES. [2021-06-10 16:31:17,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239635 conditions, 12521 events. 7729/12521 cut-off events. For 1464288/1464389 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 90870 event pairs, 186 based on Foata normal form. 54/12537 useless extension candidates. Maximal degree in co-relation 239171. Up to 9873 conditions per place. [2021-06-10 16:31:17,514 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3297 selfloop transitions, 834 changer transitions 0/4144 dead transitions. [2021-06-10 16:31:17,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 814 places, 4144 transitions, 135845 flow [2021-06-10 16:31:17,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-10 16:31:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-06-10 16:31:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 888 transitions. [2021-06-10 16:31:17,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8058076225045372 [2021-06-10 16:31:17,526 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 888 transitions. [2021-06-10 16:31:17,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 888 transitions. [2021-06-10 16:31:17,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:31:17,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 888 transitions. [2021-06-10 16:31:17,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 23.36842105263158) internal successors, (888), 38 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:31:17,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 29.0) internal successors, (1131), 39 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:31:17,528 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 29.0) internal successors, (1131), 39 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:31:17,528 INFO L185 Difference]: Start difference. First operand has 777 places, 3955 transitions, 115440 flow. Second operand 38 states and 888 transitions. [2021-06-10 16:31:17,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 814 places, 4144 transitions, 135845 flow [2021-06-10 16:31:27,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 790 places, 4144 transitions, 130539 flow, removed 2450 selfloop flow, removed 24 redundant places. [2021-06-10 16:31:27,367 INFO L241 Difference]: Finished difference. Result has 798 places, 4143 transitions, 124774 flow [2021-06-10 16:31:27,369 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=110142, PETRI_DIFFERENCE_MINUEND_PLACES=753, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3955, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=681, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=124774, PETRI_PLACES=798, PETRI_TRANSITIONS=4143} [2021-06-10 16:31:27,370 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 766 predicate places. [2021-06-10 16:31:27,370 INFO L480 AbstractCegarLoop]: Abstraction has has 798 places, 4143 transitions, 124774 flow [2021-06-10 16:31:27,370 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) [2021-06-10 16:31:27,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:31:27,370 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, 1] [2021-06-10 16:31:27,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:31:27,570 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:31:27,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:31:27,571 INFO L82 PathProgramCache]: Analyzing trace with hash 815012153, now seen corresponding path program 15 times [2021-06-10 16:31:27,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:31:27,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232188784] [2021-06-10 16:31:27,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:31:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:31:27,595 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:31:27,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:27,610 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:31:27,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:31:27,620 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:31:27,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:31:27,632 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:31:27,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:31:27,645 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-06-10 16:31:27,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:31:27,661 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-06-10 16:31:27,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:31:27,682 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-06-10 16:31:27,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:31:27,702 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:31:27,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,721 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:31:27,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:31:27,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:31:27,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232188784] [2021-06-10 16:31:27,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845260453] [2021-06-10 16:31:27,742 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 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:31:27,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-10 16:31:27,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:31:27,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:31:27,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:31:27,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:27,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:27,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:27,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:27,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:27,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:27,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:27,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:27,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,791 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:31:27,791 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:31:27,792 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-10 16:31:27,792 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-10 16:31:27,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:31:27,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:31:27,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:31:27,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:31:27,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:31:27,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:31:27,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:31:27,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:31:27,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:31:27,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:31:27,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:27,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:27,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:27,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:27,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,852 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-10 16:31:27,852 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-10 16:31:27,853 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:31:27,853 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:31:27,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:27,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:27,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:31:27,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:31:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:31:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:31:27,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:27,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:31:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:31:27,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:31:27,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:31:27,927 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,927 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 [2021-06-10 16:31:27,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,928 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:31:27,929 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:31:27,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:31:27,929 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:31:27,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:31:27,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:31:27,945 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-06-10 16:31:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:31:27,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:31:27,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,984 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-06-10 16:31:27,985 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-06-10 16:31:27,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:31:27,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:31:27,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:27,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:31:28,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,020 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:31:28,020 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:31:28,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:28,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:31:28,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:31:28,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,023 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:31:28,023 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:28,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:31:28,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:28,099 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:31:28,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:28,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:28,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:28,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:28,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:31:28,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:31:28,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:31:28,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295958262] [2021-06-10 16:31:28,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:31:28,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:31:28,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:31:28,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:31:28,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:31:28,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 798 places, 4143 transitions, 124774 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) [2021-06-10 16:31:28,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:31:28,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:31:28,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:31:34,374 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][133], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12)), Black: 5715#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (or (not (= i2 i1)) (= t12 t11)) (= (select x i1) t11)), Black: 5621#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 5653#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 5200#(and (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), Black: 5216#(and (or (= s2 s1) (not (= 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: 5168#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5269#(and (or (not (= i2 i1)) (= t12 t11)) (or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 5208#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (or (not (= i2 1)) (= t12 s1)) (or (not (= i1 1)) (= t11 s1))), Black: 112#(<= i1 i2), Black: 5273#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), 5282#true, 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 5731#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 5735#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4739#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5768#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1))))), Black: 4695#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5834#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (or (and (<= s1 (+ (select x i1) t12)) (<= (+ (select x i1) t12) s1)) (not (= i1 (+ i2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 4743#(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)))), 5842#true, Black: 2195#(<= i1 i2), 4819#true, Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 2265#(<= i2 i1), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 4200#(or (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (not (= i1 (+ i2 1)))), Black: 4313#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (= (select x i1) t21) (or (not (= i2 1)) (= t22 s2)) (= (select x 1) s1)), 1244#true, Black: 4201#(or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 4297#(and (or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 4202#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4203#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4238#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4303#(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 (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 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1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:31:34,374 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:31:34,374 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:31:34,374 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:31:34,375 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:31:36,382 INFO L382 tUnfolder$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][133], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12)), Black: 5715#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (or (not (= i2 i1)) (= t12 t11)) (= 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i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or 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s2))), Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), 6102#true, Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:31:36,383 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:31:36,383 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:31:36,383 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:31:36,383 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:31:40,074 INFO L129 PetriNetUnfolder]: 7735/12539 cut-off events. [2021-06-10 16:31:40,075 INFO L130 PetriNetUnfolder]: For 1439974/1440012 co-relation queries the response was YES. [2021-06-10 16:31:40,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237732 conditions, 12539 events. 7735/12539 cut-off events. For 1439974/1440012 co-relation queries the response was YES. Maximal size of possible extension queue 900. Compared 90905 event pairs, 251 based on Foata normal form. 23/12520 useless extension candidates. Maximal degree in co-relation 237257. Up to 10216 conditions per place. [2021-06-10 16:31:40,732 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3965 selfloop transitions, 170 changer transitions 0/4148 dead transitions. [2021-06-10 16:31:40,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 818 places, 4148 transitions, 133566 flow [2021-06-10 16:31:40,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-10 16:31:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-10 16:31:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 483 transitions. [2021-06-10 16:31:40,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7931034482758621 [2021-06-10 16:31:40,733 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 483 transitions. [2021-06-10 16:31:40,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 483 transitions. [2021-06-10 16:31:40,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:31:40,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 483 transitions. [2021-06-10 16:31:40,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 23.0) internal successors, (483), 21 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:31:40,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:31:40,735 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 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) [2021-06-10 16:31:40,735 INFO L185 Difference]: Start difference. First operand has 798 places, 4143 transitions, 124774 flow. Second operand 21 states and 483 transitions. [2021-06-10 16:31:40,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 818 places, 4148 transitions, 133566 flow [2021-06-10 16:31:49,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 792 places, 4148 transitions, 126998 flow, removed 3102 selfloop flow, removed 26 redundant places. [2021-06-10 16:31:49,993 INFO L241 Difference]: Finished difference. Result has 793 places, 4148 transitions, 119116 flow [2021-06-10 16:31:49,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=118206, PETRI_DIFFERENCE_MINUEND_PLACES=772, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3973, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=119116, PETRI_PLACES=793, PETRI_TRANSITIONS=4148} [2021-06-10 16:31:49,996 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 761 predicate places. [2021-06-10 16:31:49,996 INFO L480 AbstractCegarLoop]: Abstraction has has 793 places, 4148 transitions, 119116 flow [2021-06-10 16:31:49,996 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) [2021-06-10 16:31:49,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:31:49,996 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, 1] [2021-06-10 16:31:50,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:31:50,207 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:31:50,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:31:50,207 INFO L82 PathProgramCache]: Analyzing trace with hash -103183657, now seen corresponding path program 5 times [2021-06-10 16:31:50,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:31:50,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398891696] [2021-06-10 16:31:50,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:31:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:31:50,221 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:31:50,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:31:50,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:31:50,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:31:50,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:50,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:31:50,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:31:50,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:31:50,316 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:31:50,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:31:50,334 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:31:50,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:31:50,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:31:50,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398891696] [2021-06-10 16:31:50,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704862955] [2021-06-10 16:31:50,354 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 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 [2021-06-10 16:31:50,386 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-10 16:31:50,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:31:50,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:31:50,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:31:50,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:50,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:50,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:50,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:50,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:50,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:50,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:50,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:31:50,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:31:50,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:50,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:50,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:50,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:50,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:50,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:50,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:31:50,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:31:50,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:31:50,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:31:50,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:31:50,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:31:50,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,459 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-10 16:31:50,460 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-10 16:31:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:50,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:50,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:50,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:50,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:50,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:50,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,487 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-06-10 16:31:50,487 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-06-10 16:31:50,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:31:50,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:31:50,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:31:50,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:31:50,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:31:50,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:31:50,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:31:50,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:31:50,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:31:50,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:31:50,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:31:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:31:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:50,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:31:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:31:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:31:50,584 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,584 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 [2021-06-10 16:31:50,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,585 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:31:50,585 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:31:50,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:31:50,586 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:31:50,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:31:50,597 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:31:50,597 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-06-10 16:31:50,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:31:50,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:31:50,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,624 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:31:50,625 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:31:50,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:31:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:31:50,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,627 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:31:50,627 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:31:50,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:31:50,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:31:50,689 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:31:50,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:50,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:50,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:50,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:31:50,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:31:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:31:50,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:31:50,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:31:50,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029236546] [2021-06-10 16:31:50,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:31:50,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:31:50,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:31:50,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:31:50,691 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:31:50,692 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 793 places, 4148 transitions, 119116 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) [2021-06-10 16:31:50,692 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:31:50,692 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:31:50,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:31:57,718 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][156], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 6159#(and (or (= s2 s1) (not (= 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)))))), 6209#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12)), Black: 5715#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (or (not (= i2 i1)) (= t12 t11)) (= (select x i1) t11)), Black: 5621#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 5653#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 5200#(and (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), Black: 5216#(and (or (= s2 s1) (not (= 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: 5168#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5269#(and (or (not (= i2 i1)) (= t12 t11)) (or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 5208#(and (= s2 s1) (or (not (= i2 i1)) (= t12 t11)) (or (not (= i2 1)) (= t12 s1)) (or (not (= i1 1)) (= t11 s1))), Black: 112#(<= i1 i2), Black: 5273#(and (or (not (= i2 1)) (= t12 t22)) (or (not (= i2 i1)) (= t12 t11)) (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), 5282#true, 163#true, Black: 616#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 617#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 683#true, Black: 1714#(and (<= s2 (+ s1 (select x i2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))) (<= (+ s1 (select x i2)) s2)), Black: 1639#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1641#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1673#(= s2 s1), 1720#true, Black: 5731#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 5735#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4739#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5768#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1))))), Black: 4695#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5834#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (or (and (<= s1 (+ (select x i1) t12)) (<= (+ (select x i1) t12) s1)) (not (= i1 (+ i2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 4743#(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)))), 5842#true, Black: 2195#(<= i1 i2), 4819#true, Black: 2255#(and (<= (+ i1 1) n) (<= (+ i1 1) i2)), Black: 1184#(and (= i1 1) (or (= s2 s1) (not (= i2 i1))) (<= i2 1)), Black: 1153#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1224#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), 2265#(<= i2 i1), Black: 4200#(or (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (not (= i1 (+ i2 1)))), Black: 4313#(and (or (not (= i2 i1)) (= t22 t21)) (= (select x 1) s2) (= (select x i1) t21) (or (not (= i2 1)) (= t22 s2)) (= (select x 1) s1)), 1244#true, Black: 4201#(or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 4297#(and (or (and (= t22 t21) (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 4202#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4203#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4238#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 4303#(and (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (= 0 (mod 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i2 i1))), 3068#true]) [2021-06-10 16:31:57,719 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:31:57,719 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:31:57,719 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:31:57,719 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:31:59,614 INFO L382 tUnfolder$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][156], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) 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(and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 5498#(and (= (select x 1) s2) (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1) (or (= t12 s2) (not (= i1 (+ i2 1)))) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 5451#(and (= (select x 1) s2) (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1)), Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), 5505#true, Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2956#(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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 6016#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5972#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6020#(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: 5973#(or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))), Black: 5974#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), 6102#true, Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:31:59,615 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:31:59,615 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:31:59,615 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:31:59,615 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:32:03,142 INFO L129 PetriNetUnfolder]: 7834/12744 cut-off events. [2021-06-10 16:32:03,142 INFO L130 PetriNetUnfolder]: For 1443056/1443157 co-relation queries the response was YES. [2021-06-10 16:32:03,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236120 conditions, 12744 events. 7834/12744 cut-off events. For 1443056/1443157 co-relation queries the response was YES. Maximal size of possible extension queue 956. Compared 93480 event pairs, 212 based on Foata normal form. 51/12752 useless extension candidates. Maximal degree in co-relation 235473. Up to 10230 conditions per place. [2021-06-10 16:32:03,793 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3806 selfloop transitions, 443 changer transitions 0/4262 dead transitions. [2021-06-10 16:32:03,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 823 places, 4262 transitions, 136090 flow [2021-06-10 16:32:03,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-10 16:32:03,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-06-10 16:32:03,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 712 transitions. [2021-06-10 16:32:03,794 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7919911012235817 [2021-06-10 16:32:03,794 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 712 transitions. [2021-06-10 16:32:03,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 712 transitions. [2021-06-10 16:32:03,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:32:03,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 712 transitions. [2021-06-10 16:32:03,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 22.967741935483872) internal successors, (712), 31 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:32:03,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 29.0) internal successors, (928), 32 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:32:03,796 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 29.0) internal successors, (928), 32 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:32:03,796 INFO L185 Difference]: Start difference. First operand has 793 places, 4148 transitions, 119116 flow. Second operand 31 states and 712 transitions. [2021-06-10 16:32:03,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 823 places, 4262 transitions, 136090 flow [2021-06-10 16:32:13,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 4262 transitions, 135541 flow, removed 113 selfloop flow, removed 18 redundant places. [2021-06-10 16:32:13,436 INFO L241 Difference]: Finished difference. Result has 811 places, 4257 transitions, 127926 flow [2021-06-10 16:32:13,437 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=118567, PETRI_DIFFERENCE_MINUEND_PLACES=775, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=354, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3763, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=127926, PETRI_PLACES=811, PETRI_TRANSITIONS=4257} [2021-06-10 16:32:13,438 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 779 predicate places. [2021-06-10 16:32:13,438 INFO L480 AbstractCegarLoop]: Abstraction has has 811 places, 4257 transitions, 127926 flow [2021-06-10 16:32:13,438 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) [2021-06-10 16:32:13,439 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:32:13,439 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, 1] [2021-06-10 16:32:13,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:32:13,641 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:32:13,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:32:13,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1242650523, now seen corresponding path program 16 times [2021-06-10 16:32:13,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:32:13,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469991967] [2021-06-10 16:32:13,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:32:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:32:13,651 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:32:13,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:32:13,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:32:13,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:32:13,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:32:13,682 INFO L142 QuantifierPusher]: treesize reduction 29, result has 43.1 percent of original size [2021-06-10 16:32:13,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:32:13,696 INFO L142 QuantifierPusher]: treesize reduction 29, result has 39.6 percent of original size [2021-06-10 16:32:13,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:13,709 INFO L142 QuantifierPusher]: treesize reduction 18, result has 53.8 percent of original size [2021-06-10 16:32:13,711 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-06-10 16:32:13,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:13,748 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:32:13,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:32:13,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:32:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:32:13,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469991967] [2021-06-10 16:32:13,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938115852] [2021-06-10 16:32:13,762 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 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 [2021-06-10 16:32:13,788 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:32:13,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:32:13,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:32:13,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:32:13,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:13,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:13,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:13,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:13,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:13,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:13,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:13,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:13,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:32:13,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:32:13,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:32:13,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:32:13,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:32:13,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:32:13,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:32:13,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:32:13,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:32:13,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:13,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,882 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:32:13,883 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:32:13,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:13,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:13,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:13,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,901 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-10 16:32:13,902 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-10 16:32:13,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:13,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:13,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:13,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:13,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:13,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:13,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:13,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:32:13,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:32:13,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:32:13,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:32:13,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:32:13,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:32:13,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:32:13,936 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,936 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 [2021-06-10 16:32:13,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:32:13,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:32:13,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:32:13,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:32:13,949 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:32:13,949 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-06-10 16:32:13,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:32:13,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:32:13,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:32:13,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,977 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:32:13,977 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:32:13,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:32:13,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:13,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:32:14,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,005 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:32:14,005 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:32:14,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:32:14,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:32:14,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:32:14,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,007 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:32:14,007 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:32:14,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,008 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:32:14,009 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:32:14,009 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:32:14,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:32:14,068 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:32:14,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:32:14,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:32:14,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:32:14,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:14,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:32:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:32:14,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:32:14,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:32:14,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568876911] [2021-06-10 16:32:14,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:32:14,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:32:14,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:32:14,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:32:14,072 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:32:14,072 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 811 places, 4257 transitions, 127926 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) [2021-06-10 16:32:14,072 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:32:14,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:32:14,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:32:20,483 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][155], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists 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(= (select x i1) t11)), Black: 5653#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 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x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), 5614#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:32:20,483 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:32:20,483 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:32:20,483 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:32:20,483 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:32:22,752 INFO L382 tUnfolder$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][155], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, 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1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 462#true, Black: 6016#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5972#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6020#(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: 5973#(or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))), Black: 5974#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:32:22,752 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:32:22,752 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:32:22,752 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:32:22,753 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:32:27,140 INFO L129 PetriNetUnfolder]: 7967/12948 cut-off events. [2021-06-10 16:32:27,141 INFO L130 PetriNetUnfolder]: For 1541496/1541597 co-relation queries the response was YES. [2021-06-10 16:32:27,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244932 conditions, 12948 events. 7967/12948 cut-off events. For 1541496/1541597 co-relation queries the response was YES. Maximal size of possible extension queue 960. Compared 94873 event pairs, 201 based on Foata normal form. 52/12956 useless extension candidates. Maximal degree in co-relation 244438. Up to 10337 conditions per place. [2021-06-10 16:32:27,551 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3742 selfloop transitions, 598 changer transitions 0/4353 dead transitions. [2021-06-10 16:32:27,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 4353 transitions, 143302 flow [2021-06-10 16:32:27,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-10 16:32:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-06-10 16:32:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 724 transitions. [2021-06-10 16:32:27,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8053392658509455 [2021-06-10 16:32:27,553 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 724 transitions. [2021-06-10 16:32:27,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 724 transitions. [2021-06-10 16:32:27,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:32:27,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 724 transitions. [2021-06-10 16:32:27,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 23.35483870967742) internal successors, (724), 31 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:32:27,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 29.0) internal successors, (928), 32 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:32:27,554 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 29.0) internal successors, (928), 32 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:32:27,554 INFO L185 Difference]: Start difference. First operand has 811 places, 4257 transitions, 127926 flow. Second operand 31 states and 724 transitions. [2021-06-10 16:32:27,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 841 places, 4353 transitions, 143302 flow [2021-06-10 16:32:38,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 823 places, 4353 transitions, 138689 flow, removed 2189 selfloop flow, removed 18 redundant places. [2021-06-10 16:32:38,120 INFO L241 Difference]: Finished difference. Result has 827 places, 4351 transitions, 131523 flow [2021-06-10 16:32:38,122 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=123313, PETRI_DIFFERENCE_MINUEND_PLACES=793, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=131523, PETRI_PLACES=827, PETRI_TRANSITIONS=4351} [2021-06-10 16:32:38,122 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 795 predicate places. [2021-06-10 16:32:38,122 INFO L480 AbstractCegarLoop]: Abstraction has has 827 places, 4351 transitions, 131523 flow [2021-06-10 16:32:38,122 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) [2021-06-10 16:32:38,123 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:32:38,123 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, 1] [2021-06-10 16:32:38,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-06-10 16:32:38,323 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:32:38,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:32:38,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1764510983, now seen corresponding path program 6 times [2021-06-10 16:32:38,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:32:38,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654339383] [2021-06-10 16:32:38,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:32:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:32:38,336 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:32:38,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:32:38,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:32:38,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:32:38,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:32:38,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:32:38,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:32:38,428 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:32:38,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:38,447 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:32:38,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:32:38,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:32:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:32:38,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654339383] [2021-06-10 16:32:38,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589462882] [2021-06-10 16:32:38,466 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 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 [2021-06-10 16:32:38,505 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-10 16:32:38,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:32:38,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-10 16:32:38,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:32:38,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:38,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:38,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:38,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:38,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:38,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:38,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:38,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:32:38,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:32:38,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:38,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:38,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:32:38,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:38,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,550 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:32:38,551 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:32:38,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:38,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:38,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:38,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:38,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:38,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:32:38,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:32:38,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:32:38,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:32:38,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:32:38,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:32:38,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,601 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-10 16:32:38,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-10 16:32:38,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:38,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:38,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:38,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:38,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:38,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:32:38,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,630 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-06-10 16:32:38,630 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-10 16:32:38,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,652 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.7 percent of original size 28 [2021-06-10 16:32:38,652 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.6 percent of original size [2021-06-10 16:32:38,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:32:38,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:32:38,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:32:38,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,674 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size 34 [2021-06-10 16:32:38,674 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-06-10 16:32:38,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:32:38,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:32:38,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:32:38,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:32:38,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:32:38,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:32:38,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-10 16:32:38,688 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,688 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 31 treesize of output 37 [2021-06-10 16:32:38,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,689 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-06-10 16:32:38,689 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-06-10 16:32:38,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:32:38,690 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:32:38,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:32:38,700 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:32:38,700 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2021-06-10 16:32:38,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:32:38,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:32:38,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:32:38,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:32:38,776 INFO L142 QuantifierPusher]: treesize reduction 35, result has 2.8 percent of original size [2021-06-10 16:32:38,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:32:38,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:32:38,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:32:38,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:32:38,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:32:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:32:38,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:32:38,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:32:38,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575809619] [2021-06-10 16:32:38,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:32:38,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:32:38,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:32:38,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:32:38,779 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:32:38,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 4351 transitions, 131523 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) [2021-06-10 16:32:38,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:32:38,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:32:38,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:32:45,253 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][155], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 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(not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:32:45,253 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:32:45,253 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:32:45,253 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:32:45,254 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:32:47,165 INFO L382 tUnfolder$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][155], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) 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2))) 0))) (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 2) 0)))) (or (= s2 s1) (not (= i2 i1)))), Black: 5973#(or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))), Black: 5974#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:32:47,166 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:32:47,166 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:32:47,166 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:32:47,166 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:32:51,718 INFO L129 PetriNetUnfolder]: 8015/13028 cut-off events. [2021-06-10 16:32:51,719 INFO L130 PetriNetUnfolder]: For 1591173/1591274 co-relation queries the response was YES. [2021-06-10 16:32:51,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 248214 conditions, 13028 events. 8015/13028 cut-off events. For 1591173/1591274 co-relation queries the response was YES. Maximal size of possible extension queue 958. Compared 95682 event pairs, 167 based on Foata normal form. 51/13034 useless extension candidates. Maximal degree in co-relation 247482. Up to 10467 conditions per place. [2021-06-10 16:32:52,157 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3897 selfloop transitions, 496 changer transitions 0/4406 dead transitions. [2021-06-10 16:32:52,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 858 places, 4406 transitions, 144661 flow [2021-06-10 16:32:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-10 16:32:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-06-10 16:32:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 729 transitions. [2021-06-10 16:32:52,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7855603448275862 [2021-06-10 16:32:52,158 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 729 transitions. [2021-06-10 16:32:52,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 729 transitions. [2021-06-10 16:32:52,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:32:52,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 729 transitions. [2021-06-10 16:32:52,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 22.78125) internal successors, (729), 32 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:32:52,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 29.0) internal successors, (957), 33 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:32:52,159 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 29.0) internal successors, (957), 33 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:32:52,159 INFO L185 Difference]: Start difference. First operand has 827 places, 4351 transitions, 131523 flow. Second operand 32 states and 729 transitions. [2021-06-10 16:32:52,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 858 places, 4406 transitions, 144661 flow [2021-06-10 16:33:03,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 839 places, 4406 transitions, 140593 flow, removed 1853 selfloop flow, removed 19 redundant places. [2021-06-10 16:33:03,395 INFO L241 Difference]: Finished difference. Result has 842 places, 4402 transitions, 132795 flow [2021-06-10 16:33:03,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=127455, PETRI_DIFFERENCE_MINUEND_PLACES=808, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=458, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3875, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=132795, PETRI_PLACES=842, PETRI_TRANSITIONS=4402} [2021-06-10 16:33:03,397 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 810 predicate places. [2021-06-10 16:33:03,397 INFO L480 AbstractCegarLoop]: Abstraction has has 842 places, 4402 transitions, 132795 flow [2021-06-10 16:33:03,398 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) [2021-06-10 16:33:03,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:33:03,398 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, 1] [2021-06-10 16:33:03,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-06-10 16:33:03,598 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:33:03,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:33:03,598 INFO L82 PathProgramCache]: Analyzing trace with hash -381054881, now seen corresponding path program 17 times [2021-06-10 16:33:03,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:33:03,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182066352] [2021-06-10 16:33:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:33:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:33:03,612 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:33:03,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:33:03,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:03,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:03,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:33:03,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:33:03,661 INFO L142 QuantifierPusher]: treesize reduction 27, result has 48.1 percent of original size [2021-06-10 16:33:03,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:33:03,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:33:03,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:33:03,717 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:33:03,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:03,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:33:03,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182066352] [2021-06-10 16:33:03,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188143204] [2021-06-10 16:33:03,738 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 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 [2021-06-10 16:33:03,777 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-10 16:33:03,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:33:03,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-10 16:33:03,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:33:03,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:03,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:03,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:03,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:03,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:03,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:03,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:03,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:03,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:03,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:03,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:03,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:03,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,823 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-06-10 16:33:03,824 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-06-10 16:33:03,824 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size 23 [2021-06-10 16:33:03,824 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-10 16:33:03,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:33:03,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:33:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:33:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:33:03,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:33:03,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:33:03,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,850 INFO L147 QuantifierPusher]: treesize reduction 9, result has 74.3 percent of original size 26 [2021-06-10 16:33:03,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 74.3 percent of original size [2021-06-10 16:33:03,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:33:03,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:33:03,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:33:03,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:33:03,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,879 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-06-10 16:33:03,880 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-10 16:33:03,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:33:03,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:33:03,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:33:03,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:33:03,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:33:03,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:33:03,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:33:03,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:03,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:03,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:03,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:03,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:03,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:03,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:03,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:33:03,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:03,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:03,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:33:03,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:03,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:03,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:33:03,956 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,956 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 20 treesize of output 28 [2021-06-10 16:33:03,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,957 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-10 16:33:03,958 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-10 16:33:03,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:33:03,958 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:33:03,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:33:03,972 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:33:03,972 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:25 [2021-06-10 16:33:03,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:33:03,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:03,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:33:04,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:33:04,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,041 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:33:04,041 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:33:04,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:04,098 INFO L142 QuantifierPusher]: treesize reduction 31, result has 3.1 percent of original size [2021-06-10 16:33:04,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:04,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:04,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:04,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:04,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:33:04,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:33:04,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:33:04,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324695244] [2021-06-10 16:33:04,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:33:04,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:33:04,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:33:04,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:33:04,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:33:04,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 842 places, 4402 transitions, 132795 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) [2021-06-10 16:33:04,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:33:04,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:33:04,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:33:11,980 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][154], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 44#(= s2 s1), 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 6159#(and (or (= s2 s1) (not (= 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)))))), 6209#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12)), Black: 5715#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (or (not (= i2 i1)) (= t12 t11)) (= (select x i1) t11)), Black: 5621#(and (<= s2 s1) (<= s1 s2) 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(not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:33:11,980 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:33:11,980 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:33:11,980 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:33:11,980 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:33:14,165 INFO L382 tUnfolder$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][154], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) 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Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:33:14,165 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:33:14,165 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:33:14,165 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:33:14,165 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:33:19,262 INFO L129 PetriNetUnfolder]: 8046/13080 cut-off events. [2021-06-10 16:33:19,262 INFO L130 PetriNetUnfolder]: For 1624163/1624312 co-relation queries the response was YES. [2021-06-10 16:33:19,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247277 conditions, 13080 events. 8046/13080 cut-off events. For 1624163/1624312 co-relation queries the response was YES. Maximal size of possible extension queue 971. Compared 96043 event pairs, 187 based on Foata normal form. 62/13094 useless extension candidates. Maximal degree in co-relation 246767. Up to 10517 conditions per place. [2021-06-10 16:33:19,685 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3959 selfloop transitions, 478 changer transitions 0/4450 dead transitions. [2021-06-10 16:33:19,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 878 places, 4450 transitions, 144969 flow [2021-06-10 16:33:19,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-10 16:33:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-06-10 16:33:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 842 transitions. [2021-06-10 16:33:19,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7847157502329916 [2021-06-10 16:33:19,687 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 842 transitions. [2021-06-10 16:33:19,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 842 transitions. [2021-06-10 16:33:19,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:33:19,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 842 transitions. [2021-06-10 16:33:19,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 22.756756756756758) internal successors, (842), 37 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:33:19,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 29.0) internal successors, (1102), 38 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:33:19,689 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 29.0) internal successors, (1102), 38 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:33:19,689 INFO L185 Difference]: Start difference. First operand has 842 places, 4402 transitions, 132795 flow. Second operand 37 states and 842 transitions. [2021-06-10 16:33:19,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 878 places, 4450 transitions, 144969 flow [2021-06-10 16:33:30,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 854 places, 4450 transitions, 141358 flow, removed 1612 selfloop flow, removed 24 redundant places. [2021-06-10 16:33:30,858 INFO L241 Difference]: Finished difference. Result has 861 places, 4446 transitions, 133487 flow [2021-06-10 16:33:30,859 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=129368, PETRI_DIFFERENCE_MINUEND_PLACES=818, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=440, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3932, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=133487, PETRI_PLACES=861, PETRI_TRANSITIONS=4446} [2021-06-10 16:33:30,859 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 829 predicate places. [2021-06-10 16:33:30,859 INFO L480 AbstractCegarLoop]: Abstraction has has 861 places, 4446 transitions, 133487 flow [2021-06-10 16:33:30,860 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) [2021-06-10 16:33:30,860 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:33:30,860 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, 1] [2021-06-10 16:33:31,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2021-06-10 16:33:31,060 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:33:31,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:33:31,060 INFO L82 PathProgramCache]: Analyzing trace with hash 365993461, now seen corresponding path program 18 times [2021-06-10 16:33:31,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:33:31,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63377747] [2021-06-10 16:33:31,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:33:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:33:31,085 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:33:31,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:33:31,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:31,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:33:31,125 INFO L142 QuantifierPusher]: treesize reduction 29, result has 43.1 percent of original size [2021-06-10 16:33:31,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:31,143 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-06-10 16:33:31,144 INFO L147 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size 18 [2021-06-10 16:33:31,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:31,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:33:31,198 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:33:31,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:33:31,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63377747] [2021-06-10 16:33:31,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300985859] [2021-06-10 16:33:31,213 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 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 [2021-06-10 16:33:31,237 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-10 16:33:31,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:33:31,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-10 16:33:31,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:33:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:33:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:33:31,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:33:31,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:33:31,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:33:31,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:33:31,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:33:31,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 16:33:31,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:33:31,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:33:31,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:33:31,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:33:31,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,266 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-06-10 16:33:31,266 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-06-10 16:33:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:33:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:33:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 16:33:31,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:33:31,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:33:31,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:33:31,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 16:33:31,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:31,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:31,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:31,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:31,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:31,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:31,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:31,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:31,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:31,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:31,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:31,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:31,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:31,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:31,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:31,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:31,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:33:31,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:31,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:33:31,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:33:31,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:31,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:33:31,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:33:31,355 INFO L354 Elim1Store]: treesize reduction 20, result has 67.2 percent of original size [2021-06-10 16:33:31,355 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 27 treesize of output 55 [2021-06-10 16:33:31,356 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-06-10 16:33:31,357 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size 41 [2021-06-10 16:33:31,357 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size [2021-06-10 16:33:31,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 16:33:31,358 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:33:31,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 16:33:31,378 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:33:31,378 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:41 [2021-06-10 16:33:31,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 16:33:31,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 16:33:31,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,409 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size 41 [2021-06-10 16:33:31,410 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-06-10 16:33:31,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:31,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:31,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-10 16:33:31,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,411 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-06-10 16:33:31,412 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:33:31,412 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 16:33:31,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 16:33:31,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,440 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:33:31,440 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:33:31,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:31,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:33:31,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:33:31,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,442 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-06-10 16:33:31,442 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:33:31,443 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,444 INFO L147 QuantifierPusher]: treesize reduction 19, result has 34.5 percent of original size 10 [2021-06-10 16:33:31,444 INFO L142 QuantifierPusher]: treesize reduction 19, result has 34.5 percent of original size [2021-06-10 16:33:31,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:33:31,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:31,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:31,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:31,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:31,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,496 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:33:31,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:33:31,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:31,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:31,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:31,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:31,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:31,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:33:31,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:33:31,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-10 16:33:31,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260436472] [2021-06-10 16:33:31,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-10 16:33:31,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:33:31,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-10 16:33:31,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-06-10 16:33:31,501 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:33:31,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 861 places, 4446 transitions, 133487 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) [2021-06-10 16:33:31,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:33:31,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:33:31,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:33:37,817 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][156], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 6694#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 44#(= s2 s1), Black: 6631#(and (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 6585#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 6682#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (<= s1 (+ (select x i1) t12)) (<= (+ (select x i1) t12) s1) (= s2 0)) (not (= i1 (+ i2 1)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 6586#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 6635#(and (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 6587#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 6709#true, Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 6159#(and (or (= s2 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(not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:33:37,817 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:33:37,818 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:33:37,818 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:33:37,818 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:33:40,077 INFO L382 tUnfolder$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][156], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2468#(and (or (<= (+ i2 2) i1) (<= s1 (+ s2 (select x i1))) (<= i1 i2)) (<= (+ s2 (select x i1)) s1)), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, 2571#true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) 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857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6465#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6467#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6566#(and (= i2 1) (= (+ i2 (select x i2)) (+ s2 1)) (= (+ (select x i1) i2 (select x i2)) (+ s1 1)) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 6577#true, Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6016#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 462#true, Black: 5972#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6020#(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: 5973#(or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))), Black: 5974#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), 5614#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:33:40,077 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:33:40,077 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:33:40,077 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:33:40,077 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:33:44,730 INFO L129 PetriNetUnfolder]: 8064/13096 cut-off events. [2021-06-10 16:33:44,730 INFO L130 PetriNetUnfolder]: For 1650363/1650466 co-relation queries the response was YES. [2021-06-10 16:33:45,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 248000 conditions, 13096 events. 8064/13096 cut-off events. For 1650363/1650466 co-relation queries the response was YES. Maximal size of possible extension queue 966. Compared 96002 event pairs, 188 based on Foata normal form. 44/13091 useless extension candidates. Maximal degree in co-relation 247366. Up to 10533 conditions per place. [2021-06-10 16:33:45,173 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3965 selfloop transitions, 500 changer transitions 0/4478 dead transitions. [2021-06-10 16:33:45,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 885 places, 4478 transitions, 145186 flow [2021-06-10 16:33:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-10 16:33:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-06-10 16:33:45,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 572 transitions. [2021-06-10 16:33:45,174 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7889655172413793 [2021-06-10 16:33:45,175 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 572 transitions. [2021-06-10 16:33:45,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 572 transitions. [2021-06-10 16:33:45,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:33:45,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 572 transitions. [2021-06-10 16:33:45,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 22.88) internal successors, (572), 25 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:33:45,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 29.0) internal successors, (754), 26 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:33:45,176 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 29.0) internal successors, (754), 26 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:33:45,176 INFO L185 Difference]: Start difference. First operand has 861 places, 4446 transitions, 133487 flow. Second operand 25 states and 572 transitions. [2021-06-10 16:33:45,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 885 places, 4478 transitions, 145186 flow [2021-06-10 16:33:56,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 863 places, 4478 transitions, 143251 flow, removed 821 selfloop flow, removed 22 redundant places. [2021-06-10 16:33:56,136 INFO L241 Difference]: Finished difference. Result has 864 places, 4476 transitions, 135289 flow [2021-06-10 16:33:56,138 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=131552, PETRI_DIFFERENCE_MINUEND_PLACES=839, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=478, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3961, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=135289, PETRI_PLACES=864, PETRI_TRANSITIONS=4476} [2021-06-10 16:33:56,139 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 832 predicate places. [2021-06-10 16:33:56,139 INFO L480 AbstractCegarLoop]: Abstraction has has 864 places, 4476 transitions, 135289 flow [2021-06-10 16:33:56,139 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) [2021-06-10 16:33:56,139 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:33:56,139 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, 1] [2021-06-10 16:33:56,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:33:56,340 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:33:56,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:33:56,340 INFO L82 PathProgramCache]: Analyzing trace with hash 2093406587, now seen corresponding path program 19 times [2021-06-10 16:33:56,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:33:56,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074817300] [2021-06-10 16:33:56,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:33:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:33:56,353 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:33:56,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:33:56,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:56,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:56,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:33:56,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:33:56,401 INFO L142 QuantifierPusher]: treesize reduction 27, result has 48.1 percent of original size [2021-06-10 16:33:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:33:56,418 INFO L142 QuantifierPusher]: treesize reduction 27, result has 44.9 percent of original size [2021-06-10 16:33:56,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:33:56,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:33:56,449 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:33:56,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:33:56,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:33:56,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074817300] [2021-06-10 16:33:56,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877685622] [2021-06-10 16:33:56,466 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 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 [2021-06-10 16:33:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:33:56,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:33:56,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:33:56,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:56,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:56,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:56,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:56,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:56,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:56,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:56,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:33:56,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:56,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:33:56,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:33:56,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:33:56,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:56,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:56,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:56,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:56,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:56,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:56,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:56,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:33:56,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:33:56,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:33:56,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:33:56,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:33:56,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,594 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-10 16:33:56,594 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-10 16:33:56,595 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:33:56,595 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:33:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:33:56,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:33:56,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:33:56,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:33:56,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:33:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:33:56,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:56,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:33:56,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:33:56,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:33:56,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,648 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-06-10 16:33:56,648 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-10 16:33:56,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:56,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:56,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:56,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:56,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:56,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:56,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:33:56,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:56,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:56,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:56,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:56,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:56,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:33:56,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:33:56,697 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,697 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 [2021-06-10 16:33:56,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,699 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:33:56,699 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:33:56,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:33:56,700 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:33:56,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:33:56,715 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:33:56,715 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-06-10 16:33:56,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:33:56,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:33:56,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,751 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:33:56,751 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:33:56,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:56,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:33:56,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:33:56,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,754 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:33:56,755 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:33:56,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,756 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-06-10 16:33:56,757 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-06-10 16:33:56,757 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-06-10 16:33:56,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 16:33:56,834 INFO L142 QuantifierPusher]: treesize reduction 55, result has 1.8 percent of original size [2021-06-10 16:33:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:56,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:56,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:56,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:33:56,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:33:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:33:56,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:33:56,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:33:56,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066325819] [2021-06-10 16:33:56,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:33:56,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:33:56,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:33:56,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:33:56,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:33:56,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 864 places, 4476 transitions, 135289 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) [2021-06-10 16:33:56,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:33:56,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:33:56,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:34:04,388 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][237], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 6694#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 44#(= s2 s1), Black: 6631#(and (= 2 i1) (or (not 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t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and 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(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 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s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:34:04,388 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:34:04,388 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:34:04,388 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:34:04,388 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:34:06,474 INFO L382 tUnfolder$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][237], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= 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s2 s1))), Black: 3447#(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))))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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)))))), 2961#true, Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6465#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6467#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6566#(and (= i2 1) (= (+ i2 (select x i2)) (+ s2 1)) (= (+ (select x i1) i2 (select x i2)) (+ s1 1)) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 6577#true, Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6016#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 462#true, Black: 5972#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6020#(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: 5973#(or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))), Black: 5974#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), 5614#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:34:06,474 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:34:06,474 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:34:06,474 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:34:06,474 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:34:11,078 INFO L129 PetriNetUnfolder]: 8084/13137 cut-off events. [2021-06-10 16:34:11,078 INFO L130 PetriNetUnfolder]: For 1641704/1641742 co-relation queries the response was YES. [2021-06-10 16:34:11,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250063 conditions, 13137 events. 8084/13137 cut-off events. For 1641704/1641742 co-relation queries the response was YES. Maximal size of possible extension queue 954. Compared 96515 event pairs, 252 based on Foata normal form. 23/13112 useless extension candidates. Maximal degree in co-relation 249541. Up to 10559 conditions per place. [2021-06-10 16:34:11,522 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3992 selfloop transitions, 494 changer transitions 0/4499 dead transitions. [2021-06-10 16:34:11,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 895 places, 4499 transitions, 146153 flow [2021-06-10 16:34:11,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-10 16:34:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-06-10 16:34:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 737 transitions. [2021-06-10 16:34:11,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7941810344827587 [2021-06-10 16:34:11,524 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 737 transitions. [2021-06-10 16:34:11,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 737 transitions. [2021-06-10 16:34:11,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:34:11,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 737 transitions. [2021-06-10 16:34:11,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 23.03125) internal successors, (737), 32 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:34:11,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 29.0) internal successors, (957), 33 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:34:11,526 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 29.0) internal successors, (957), 33 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:34:11,526 INFO L185 Difference]: Start difference. First operand has 864 places, 4476 transitions, 135289 flow. Second operand 32 states and 737 transitions. [2021-06-10 16:34:11,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 895 places, 4499 transitions, 146153 flow [2021-06-10 16:34:22,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 878 places, 4499 transitions, 143942 flow, removed 897 selfloop flow, removed 17 redundant places. [2021-06-10 16:34:22,543 INFO L241 Difference]: Finished difference. Result has 881 places, 4495 transitions, 135871 flow [2021-06-10 16:34:22,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=133078, PETRI_DIFFERENCE_MINUEND_PLACES=847, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=479, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3987, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=135871, PETRI_PLACES=881, PETRI_TRANSITIONS=4495} [2021-06-10 16:34:22,545 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 849 predicate places. [2021-06-10 16:34:22,545 INFO L480 AbstractCegarLoop]: Abstraction has has 881 places, 4495 transitions, 135871 flow [2021-06-10 16:34:22,545 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) [2021-06-10 16:34:22,546 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:34:22,546 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, 1] [2021-06-10 16:34:22,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,69 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:34:22,746 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:34:22,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:34:22,746 INFO L82 PathProgramCache]: Analyzing trace with hash 2030545271, now seen corresponding path program 9 times [2021-06-10 16:34:22,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:34:22,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162354412] [2021-06-10 16:34:22,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:34:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:34:22,760 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:34:22,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:34:22,775 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:34:22,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:34:22,786 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-06-10 16:34:22,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:34:22,797 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-10 16:34:22,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:34:22,810 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-06-10 16:34:22,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:34:22,875 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-06-10 16:34:22,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:34:22,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:34:22,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:22,921 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:34:22,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:22,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:34:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:34:22,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162354412] [2021-06-10 16:34:22,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606093836] [2021-06-10 16:34:22,937 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 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 [2021-06-10 16:34:22,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-10 16:34:22,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:34:22,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-10 16:34:22,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:34:22,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:22,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:22,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:22,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:22,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:22,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:22,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:22,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:22,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:34:22,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:22,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:22,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:22,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:22,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,997 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-06-10 16:34:22,997 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-06-10 16:34:22,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:22,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:22,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:23,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:34:23,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:34:23,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,035 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-06-10 16:34:23,035 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-10 16:34:23,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:23,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:23,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:23,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:23,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:23,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:23,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:34:23,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:34:23,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:34:23,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:34:23,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:23,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:34:23,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:23,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:34:23,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:34:23,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:34:23,090 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,091 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 25 treesize of output 41 [2021-06-10 16:34:23,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,092 INFO L147 QuantifierPusher]: treesize reduction 7, result has 83.7 percent of original size 36 [2021-06-10 16:34:23,092 INFO L142 QuantifierPusher]: treesize reduction 7, result has 83.7 percent of original size [2021-06-10 16:34:23,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:34:23,093 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:34:23,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:34:23,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:34:23,106 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:36 [2021-06-10 16:34:23,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:34:23,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:34:23,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,137 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-06-10 16:34:23,138 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-06-10 16:34:23,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:34:23,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:34:23,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 16:34:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,139 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:34:23,140 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:34:23,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,140 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:34:23,141 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:34:23,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:34:23,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:34:23,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:23,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:23,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:34:23,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:34:23,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:34:23,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:34:23,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,183 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-10 16:34:23,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:23,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:34:23,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:23,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:23,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:34:23,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:23,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:34:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:34:23,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:34:23,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-10 16:34:23,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390513031] [2021-06-10 16:34:23,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-10 16:34:23,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:34:23,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-10 16:34:23,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-06-10 16:34:23,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:34:23,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 881 places, 4495 transitions, 135871 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) [2021-06-10 16:34:23,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:34:23,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:34:23,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:34:29,758 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][156], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 6694#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 44#(= s2 s1), Black: 6631#(and (= 2 i1) (or (not 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t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and 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(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 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s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 6312#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s2 i2) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 6217#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6314#(and (= (select x (+ i1 (- 1))) t11) (<= (select x i1) s1) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (<= s1 (select x i1)) (= s2 0)), Black: 6219#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 6338#true, Black: 5731#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 5735#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4739#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5768#(and (= (select x 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(= (+ s2 1) i2)), Black: 4384#(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: 4454#(and (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: 4332#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 4380#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 4333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4467#true, Black: 5459#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1))))), Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 5412#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) 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i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:34:29,758 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:34:29,758 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:34:29,759 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:34:29,759 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:34:31,920 INFO L382 tUnfolder$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][156], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 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(= (select x i2) t22) (<= s2 s1) (<= s1 s2)), Black: 1839#(and (= i2 1) (< i2 (+ n 1)) (= (+ i2 t22) (+ s1 1)) (= i2 i1) (= (+ s2 1) i2)), Black: 4384#(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: 4454#(and (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: 4332#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 4380#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 4333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 4467#true, Black: 5459#(and (or (= s2 s1) (not (= i2 i1))) (= 2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1))))), Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 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(and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22))))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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)))))), 2961#true, Black: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x 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t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:34:31,921 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:34:31,921 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:34:31,921 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:34:31,921 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:34:36,883 INFO L129 PetriNetUnfolder]: 8088/13126 cut-off events. [2021-06-10 16:34:36,884 INFO L130 PetriNetUnfolder]: For 1723631/1723732 co-relation queries the response was YES. [2021-06-10 16:34:37,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251237 conditions, 13126 events. 8088/13126 cut-off events. For 1723631/1723732 co-relation queries the response was YES. Maximal size of possible extension queue 959. Compared 96038 event pairs, 189 based on Foata normal form. 51/13126 useless extension candidates. Maximal degree in co-relation 250481. Up to 10697 conditions per place. [2021-06-10 16:34:37,329 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 4334 selfloop transitions, 161 changer transitions 0/4508 dead transitions. [2021-06-10 16:34:37,329 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 899 places, 4508 transitions, 145820 flow [2021-06-10 16:34:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-10 16:34:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-10 16:34:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 431 transitions. [2021-06-10 16:34:37,330 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7822141560798548 [2021-06-10 16:34:37,330 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 431 transitions. [2021-06-10 16:34:37,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 431 transitions. [2021-06-10 16:34:37,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:34:37,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 431 transitions. [2021-06-10 16:34:37,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 22.68421052631579) internal successors, (431), 19 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:34:37,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 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) [2021-06-10 16:34:37,332 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 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) [2021-06-10 16:34:37,332 INFO L185 Difference]: Start difference. First operand has 881 places, 4495 transitions, 135871 flow. Second operand 19 states and 431 transitions. [2021-06-10 16:34:37,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 899 places, 4508 transitions, 145820 flow [2021-06-10 16:34:48,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 876 places, 4508 transitions, 144439 flow, removed 501 selfloop flow, removed 23 redundant places. [2021-06-10 16:34:49,075 INFO L241 Difference]: Finished difference. Result has 879 places, 4508 transitions, 135897 flow [2021-06-10 16:34:49,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=134490, PETRI_DIFFERENCE_MINUEND_PLACES=858, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=135897, PETRI_PLACES=879, PETRI_TRANSITIONS=4508} [2021-06-10 16:34:49,077 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 847 predicate places. [2021-06-10 16:34:49,077 INFO L480 AbstractCegarLoop]: Abstraction has has 879 places, 4508 transitions, 135897 flow [2021-06-10 16:34:49,078 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) [2021-06-10 16:34:49,078 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:34:49,078 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, 1] [2021-06-10 16:34:49,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-06-10 16:34:49,278 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:34:49,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:34:49,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1668378357, now seen corresponding path program 20 times [2021-06-10 16:34:49,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:34:49,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840579867] [2021-06-10 16:34:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:34:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:34:49,292 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:34:49,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:34:49,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:34:49,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:49,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:34:49,330 INFO L142 QuantifierPusher]: treesize reduction 29, result has 43.1 percent of original size [2021-06-10 16:34:49,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:34:49,344 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-06-10 16:34:49,345 INFO L147 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size 18 [2021-06-10 16:34:49,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:34:49,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:49,397 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:34:49,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:34:49,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:34:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:34:49,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840579867] [2021-06-10 16:34:49,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835453266] [2021-06-10 16:34:49,413 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 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 [2021-06-10 16:34:49,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:34:49,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:34:49,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:34:49,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:34:49,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:49,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:49,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:49,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:49,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:49,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:49,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:49,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:34:49,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:34:49,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:34:49,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:34:49,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:34:49,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:34:49,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,474 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:34:49,475 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:34:49,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:49,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:49,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:49,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:49,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:49,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:34:49,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:34:49,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:34:49,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:34:49,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:34:49,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:34:49,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:34:49,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:34:49,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:34:49,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:34:49,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:49,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:49,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:49,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:49,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:49,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:49,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:49,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:34:49,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:34:49,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:34:49,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:34:49,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:34:49,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:34:49,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:34:49,565 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,565 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 [2021-06-10 16:34:49,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:34:49,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:34:49,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:34:49,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:34:49,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:34:49,582 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:37 [2021-06-10 16:34:49,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:34:49,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:34:49,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:34:49,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:34:49,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:34:49,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:34:49,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:34:49,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:34:49,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:34:49,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:34:49,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,644 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-06-10 16:34:49,644 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-06-10 16:34:49,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:34:49,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:34:49,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:34:49,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,674 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:34:49,674 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:34:49,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:34:49,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:34:49,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:34:49,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,676 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:34:49,677 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:34:49,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,679 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:34:49,680 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:34:49,680 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:34:49,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:34:49,740 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:34:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:34:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:34:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:34:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:34:49,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:34:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:34:49,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:34:49,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:34:49,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089025470] [2021-06-10 16:34:49,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:34:49,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:34:49,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:34:49,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:34:49,743 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:34:49,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 879 places, 4508 transitions, 135897 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) [2021-06-10 16:34:49,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:34:49,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:34:49,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:34:57,141 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][156], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 6694#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 44#(= s2 s1), Black: 6631#(and (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 6585#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 6682#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (<= s1 (+ (select x i1) t12)) (<= (+ (select x i1) t12) s1) (= s2 0)) (not (= i1 (+ i2 1)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 6586#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 6635#(and (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 6587#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 6709#true, 54#(<= i2 i1), Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 6159#(and (or (= s2 s1) (not (= 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)))))), 6209#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12)), Black: 5715#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (or (not (= i2 i1)) (= t12 t11)) (= (select x i1) t11)), Black: 5621#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 5653#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 1635#true, 611#true, Black: 76#(<= (+ i2 1) i1), Black: 47#true, 105#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), 3191#true, Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 5200#(and (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), Black: 5216#(and (or (= s2 s1) (not (= 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: 5168#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5269#(and (or (not (= i2 i1)) (= t12 t11)) (or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 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16:34:57,142 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:34:57,142 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:34:57,142 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:34:57,142 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:34:59,351 INFO L382 tUnfolder$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][156], [Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ 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t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), 5614#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:34:59,351 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:34:59,351 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:34:59,351 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:34:59,351 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:35:04,310 INFO L129 PetriNetUnfolder]: 8112/13197 cut-off events. [2021-06-10 16:35:04,310 INFO L130 PetriNetUnfolder]: For 1699423/1699524 co-relation queries the response was YES. [2021-06-10 16:35:04,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 252472 conditions, 13197 events. 8112/13197 cut-off events. For 1699423/1699524 co-relation queries the response was YES. Maximal size of possible extension queue 970. Compared 97223 event pairs, 205 based on Foata normal form. 51/13199 useless extension candidates. Maximal degree in co-relation 251742. Up to 10630 conditions per place. [2021-06-10 16:35:04,776 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 4074 selfloop transitions, 445 changer transitions 0/4532 dead transitions. [2021-06-10 16:35:04,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 914 places, 4532 transitions, 147206 flow [2021-06-10 16:35:04,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-10 16:35:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-06-10 16:35:04,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 827 transitions. [2021-06-10 16:35:04,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7921455938697318 [2021-06-10 16:35:04,777 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 827 transitions. [2021-06-10 16:35:04,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 827 transitions. [2021-06-10 16:35:04,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:35:04,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 827 transitions. [2021-06-10 16:35:04,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 22.97222222222222) internal successors, (827), 36 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:35:04,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 29.0) internal successors, (1073), 37 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:35:04,779 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 29.0) internal successors, (1073), 37 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:35:04,779 INFO L185 Difference]: Start difference. First operand has 879 places, 4508 transitions, 135897 flow. Second operand 36 states and 827 transitions. [2021-06-10 16:35:04,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 914 places, 4532 transitions, 147206 flow [2021-06-10 16:35:17,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 901 places, 4532 transitions, 146628 flow, removed 240 selfloop flow, removed 13 redundant places. [2021-06-10 16:35:17,697 INFO L241 Difference]: Finished difference. Result has 904 places, 4530 transitions, 138491 flow [2021-06-10 16:35:17,699 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=135319, PETRI_DIFFERENCE_MINUEND_PLACES=866, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=431, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4074, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=138491, PETRI_PLACES=904, PETRI_TRANSITIONS=4530} [2021-06-10 16:35:17,699 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 872 predicate places. [2021-06-10 16:35:17,699 INFO L480 AbstractCegarLoop]: Abstraction has has 904 places, 4530 transitions, 138491 flow [2021-06-10 16:35:17,699 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) [2021-06-10 16:35:17,699 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:35:17,699 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, 1] [2021-06-10 16:35:17,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable126 [2021-06-10 16:35:17,900 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:35:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:35:17,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1410751041, now seen corresponding path program 21 times [2021-06-10 16:35:17,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:35:17,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962977198] [2021-06-10 16:35:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:35:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:35:17,916 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-06-10 16:35:17,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:35:17,930 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-06-10 16:35:17,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:35:17,940 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-06-10 16:35:17,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:35:17,954 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-06-10 16:35:17,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:35:17,965 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 16:35:17,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:35:17,981 INFO L142 QuantifierPusher]: treesize reduction 38, result has 32.1 percent of original size [2021-06-10 16:35:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:35:17,996 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-06-10 16:35:17,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:35:18,010 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:35:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:35:18,025 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:35:18,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:35:18,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:35:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:35:18,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962977198] [2021-06-10 16:35:18,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424659734] [2021-06-10 16:35:18,041 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 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 [2021-06-10 16:35:18,064 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-10 16:35:18,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:35:18,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-10 16:35:18,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:35:18,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:18,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:18,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:18,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:18,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:18,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:18,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:18,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:18,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:35:18,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:35:18,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:35:18,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:35:18,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:35:18,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,089 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-10 16:35:18,090 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-10 16:35:18,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:35:18,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:35:18,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:35:18,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:35:18,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:35:18,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:35:18,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,106 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-06-10 16:35:18,107 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-06-10 16:35:18,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:35:18,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,130 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size 33 [2021-06-10 16:35:18,130 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-10 16:35:18,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:35:18,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:35:18,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:35:18,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:35:18,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:35:18,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:35:18,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:35:18,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:35:18,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:35:18,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:35:18,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-10 16:35:18,165 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,165 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 29 treesize of output 35 [2021-06-10 16:35:18,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,166 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-06-10 16:35:18,167 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-06-10 16:35:18,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:35:18,167 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:35:18,179 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:35:18,180 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:35:18,180 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:36 [2021-06-10 16:35:18,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:35:18,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:35:18,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,207 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-06-10 16:35:18,207 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size [2021-06-10 16:35:18,207 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size 33 [2021-06-10 16:35:18,208 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-10 16:35:18,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 16:35:18,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 16:35:18,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,233 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-06-10 16:35:18,233 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-06-10 16:35:18,234 INFO L147 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size 27 [2021-06-10 16:35:18,234 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size [2021-06-10 16:35:18,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:35:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:35:18,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,320 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-06-10 16:35:18,321 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-06-10 16:35:18,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:18,369 INFO L142 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size [2021-06-10 16:35:18,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:35:18,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:35:18,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:35:18,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:18,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:35:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:35:18,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:35:18,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-10 16:35:18,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028692014] [2021-06-10 16:35:18,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-10 16:35:18,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:35:18,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-10 16:35:18,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-06-10 16:35:18,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:35:18,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 904 places, 4530 transitions, 138491 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) [2021-06-10 16:35:18,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:35:18,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:35:18,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:35:25,634 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][156], [Black: 7104#(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: 7093#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 7053#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7171#true, Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 6694#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 44#(= s2 s1), Black: 6631#(and (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 6585#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 6682#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (<= s1 (+ (select x i1) t12)) (<= (+ (select x i1) t12) s1) (= s2 0)) (not (= i1 (+ i2 1)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 6586#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 6635#(and (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 6587#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 6709#true, Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 6159#(and (or (= s2 s1) (not (= 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)))))), 6209#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12)), Black: 5715#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (or (not (= i2 i1)) (= t12 t11)) (= (select x i1) t11)), Black: 5621#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 5653#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 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t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), 5614#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:35:25,635 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:35:25,635 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:35:25,635 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:35:25,635 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:35:28,285 INFO L382 tUnfolder$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][156], [Black: 7104#(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: 7093#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 7053#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7171#true, Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or 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s1)) (not (= i2 i1)))), 6577#true, Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6016#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 462#true, Black: 5972#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6020#(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: 5973#(or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))), Black: 5974#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:35:28,285 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:35:28,285 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:35:28,285 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:35:28,285 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:35:33,092 INFO L129 PetriNetUnfolder]: 8122/13243 cut-off events. [2021-06-10 16:35:33,092 INFO L130 PetriNetUnfolder]: For 1777769/1777870 co-relation queries the response was YES. [2021-06-10 16:35:33,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 254378 conditions, 13243 events. 8122/13243 cut-off events. For 1777769/1777870 co-relation queries the response was YES. Maximal size of possible extension queue 982. Compared 97822 event pairs, 196 based on Foata normal form. 51/13246 useless extension candidates. Maximal degree in co-relation 253725. Up to 10743 conditions per place. [2021-06-10 16:35:33,551 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 4394 selfloop transitions, 141 changer transitions 0/4548 dead transitions. [2021-06-10 16:35:33,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 920 places, 4548 transitions, 148844 flow [2021-06-10 16:35:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-10 16:35:33,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-10 16:35:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 389 transitions. [2021-06-10 16:35:33,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7890466531440162 [2021-06-10 16:35:33,553 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 389 transitions. [2021-06-10 16:35:33,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 389 transitions. [2021-06-10 16:35:33,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:35:33,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 389 transitions. [2021-06-10 16:35:33,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 22.88235294117647) internal successors, (389), 17 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:35:33,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:35:33,554 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:35:33,554 INFO L185 Difference]: Start difference. First operand has 904 places, 4530 transitions, 138491 flow. Second operand 17 states and 389 transitions. [2021-06-10 16:35:33,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 920 places, 4548 transitions, 148844 flow [2021-06-10 16:35:45,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 892 places, 4548 transitions, 146794 flow, removed 832 selfloop flow, removed 28 redundant places. [2021-06-10 16:35:45,921 INFO L241 Difference]: Finished difference. Result has 896 places, 4548 transitions, 138136 flow [2021-06-10 16:35:45,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=136441, PETRI_DIFFERENCE_MINUEND_PLACES=876, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=138136, PETRI_PLACES=896, PETRI_TRANSITIONS=4548} [2021-06-10 16:35:45,923 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 864 predicate places. [2021-06-10 16:35:45,923 INFO L480 AbstractCegarLoop]: Abstraction has has 896 places, 4548 transitions, 138136 flow [2021-06-10 16:35:45,923 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) [2021-06-10 16:35:45,923 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:35:45,923 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, 1] [2021-06-10 16:35:46,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128 [2021-06-10 16:35:46,125 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:35:46,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:35:46,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1957294875, now seen corresponding path program 22 times [2021-06-10 16:35:46,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:35:46,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472021810] [2021-06-10 16:35:46,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:35:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:35:46,145 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:35:46,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:35:46,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:35:46,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:35:46,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:35:46,181 INFO L142 QuantifierPusher]: treesize reduction 29, result has 43.1 percent of original size [2021-06-10 16:35:46,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:35:46,195 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-06-10 16:35:46,196 INFO L147 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size 18 [2021-06-10 16:35:46,221 INFO L142 QuantifierPusher]: treesize reduction 18, result has 53.8 percent of original size [2021-06-10 16:35:46,221 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-06-10 16:35:46,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:35:46,261 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:35:46,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:35:46,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:35:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:35:46,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472021810] [2021-06-10 16:35:46,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066839505] [2021-06-10 16:35:46,277 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 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 [2021-06-10 16:35:46,300 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-10 16:35:46,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:35:46,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:35:46,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:35:46,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:46,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:46,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:46,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:46,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:46,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:46,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:46,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:35:46,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:35:46,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:35:46,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:35:46,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:35:46,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:35:46,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,341 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:35:46,341 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:35:46,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:35:46,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:35:46,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:35:46,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:35:46,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:35:46,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:35:46,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:35:46,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:35:46,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:35:46,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:35:46,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:35:46,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:35:46,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:35:46,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:35:46,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:46,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:35:46,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:35:46,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:35:46,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:35:46,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:35:46,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:35:46,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:35:46,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:35:46,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:35:46,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:35:46,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:35:46,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:35:46,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:35:46,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 16:35:46,427 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,427 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 [2021-06-10 16:35:46,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:35:46,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:35:46,429 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:35:46,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:35:46,444 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:35:46,444 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:37 [2021-06-10 16:35:46,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:35:46,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 16:35:46,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,476 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.7 percent of original size 39 [2021-06-10 16:35:46,476 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.0 percent of original size [2021-06-10 16:35:46,477 INFO L147 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size 28 [2021-06-10 16:35:46,477 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-06-10 16:35:46,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:46,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:35:46,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,506 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-06-10 16:35:46,506 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-06-10 16:35:46,507 INFO L147 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size 29 [2021-06-10 16:35:46,507 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-06-10 16:35:46,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:35:46,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:35:46,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,537 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:35:46,538 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:35:46,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:35:46,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:35:46,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:35:46,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,540 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:35:46,541 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:35:46,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,542 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-06-10 16:35:46,543 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-10 16:35:46,543 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-10 16:35:46,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:35:46,608 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:35:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:35:46,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:35:46,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:35:46,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:35:46,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:35:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:35:46,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:35:46,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:35:46,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039972605] [2021-06-10 16:35:46,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:35:46,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:35:46,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:35:46,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:35:46,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:35:46,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 896 places, 4548 transitions, 138136 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) [2021-06-10 16:35:46,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:35:46,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:35:46,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:35:54,236 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][156], [Black: 7104#(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: 7093#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 7053#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7171#true, Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 6694#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 44#(= s2 s1), Black: 6631#(and (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 6585#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 6682#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (<= s1 (+ (select x i1) t12)) (<= (+ (select x i1) t12) s1) (= s2 0)) (not (= i1 (+ i2 1)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 6586#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 6635#(and (or (not (= i2 1)) (= 0 (mod s2 2))) 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s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:35:54,237 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:35:54,237 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:35:54,237 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:35:54,237 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:35:57,227 INFO L382 tUnfolder$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][156], [Black: 7104#(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: 7093#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 7053#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7171#true, Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 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Black: 3331#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 5412#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3332#(or (and (<= t12 s1) (= (select x i1) t21) (<= s1 t12) (= s2 0)) (not (= i1 (+ i2 1)))), Black: 5447#(and (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1) (= (select x 1) t22) (= s2 0)), Black: 5498#(and (= (select x 1) s2) (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1) (or (= t12 s2) (not (= i1 (+ i2 1)))) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 6944#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1362#(= s2 s1), Black: 3333#(or (not (= i2 i1)) (and (= t22 t21) (<= t12 s1) (<= s1 t12) (= s2 0))), Black: 5451#(and (= (select x 1) s2) (= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= 2 i1)), 5505#true, Black: 344#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 6945#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3334#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 6981#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1))))), Black: 3447#(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))))), Black: 1333#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 319#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1354#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), Black: 3336#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 7043#true, Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6465#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6467#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6566#(and (= i2 1) (= (+ i2 (select x i2)) (+ s2 1)) (= (+ (select x i1) i2 (select x i2)) (+ s1 1)) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 6577#true, Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6016#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 462#true, Black: 5972#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6020#(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: 5973#(or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))), Black: 5974#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:35:57,228 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:35:57,228 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:35:57,228 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:35:57,228 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:36:02,441 INFO L129 PetriNetUnfolder]: 8147/13274 cut-off events. [2021-06-10 16:36:02,441 INFO L130 PetriNetUnfolder]: For 1776446/1776547 co-relation queries the response was YES. [2021-06-10 16:36:02,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 255187 conditions, 13274 events. 8147/13274 cut-off events. For 1776446/1776547 co-relation queries the response was YES. Maximal size of possible extension queue 980. Compared 98098 event pairs, 195 based on Foata normal form. 51/13277 useless extension candidates. Maximal degree in co-relation 254527. Up to 10686 conditions per place. [2021-06-10 16:36:02,923 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 4152 selfloop transitions, 412 changer transitions 0/4577 dead transitions. [2021-06-10 16:36:02,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 929 places, 4577 transitions, 149396 flow [2021-06-10 16:36:02,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-10 16:36:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-06-10 16:36:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 779 transitions. [2021-06-10 16:36:02,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7900608519269777 [2021-06-10 16:36:02,924 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 779 transitions. [2021-06-10 16:36:02,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 779 transitions. [2021-06-10 16:36:02,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:36:02,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 779 transitions. [2021-06-10 16:36:02,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 22.91176470588235) internal successors, (779), 34 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:36:02,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 29.0) internal successors, (1015), 35 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:36:02,926 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 29.0) internal successors, (1015), 35 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:36:02,926 INFO L185 Difference]: Start difference. First operand has 896 places, 4548 transitions, 138136 flow. Second operand 34 states and 779 transitions. [2021-06-10 16:36:02,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 929 places, 4577 transitions, 149396 flow [2021-06-10 16:36:15,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 920 places, 4577 transitions, 148363 flow, removed 489 selfloop flow, removed 9 redundant places. [2021-06-10 16:36:15,583 INFO L241 Difference]: Finished difference. Result has 922 places, 4575 transitions, 140073 flow [2021-06-10 16:36:15,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=137103, PETRI_DIFFERENCE_MINUEND_PLACES=887, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=393, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=140073, PETRI_PLACES=922, PETRI_TRANSITIONS=4575} [2021-06-10 16:36:15,585 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 890 predicate places. [2021-06-10 16:36:15,585 INFO L480 AbstractCegarLoop]: Abstraction has has 922 places, 4575 transitions, 140073 flow [2021-06-10 16:36:15,585 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) [2021-06-10 16:36:15,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:36:15,585 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, 1] [2021-06-10 16:36:15,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable129 [2021-06-10 16:36:15,786 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:36:15,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:36:15,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1886054027, now seen corresponding path program 7 times [2021-06-10 16:36:15,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:36:15,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335238995] [2021-06-10 16:36:15,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:36:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:36:15,813 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:36:15,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:36:15,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:36:15,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:36:15,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:36:15,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:36:15,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:15,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:36:15,913 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:36:15,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:36:15,930 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:36:15,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:36:15,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:36:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:36:15,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335238995] [2021-06-10 16:36:15,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90168485] [2021-06-10 16:36:15,950 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 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 [2021-06-10 16:36:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:36:15,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:36:15,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:36:15,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:15,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:15,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:15,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:15,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:15,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:15,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:36:15,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:15,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:15,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:15,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:16,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:36:16,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,013 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-06-10 16:36:16,013 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-10 16:36:16,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:36:16,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:36:16,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:36:16,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:36:16,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:36:16,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:36:16,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:16,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:16,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:16,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:16,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:16,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:16,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:16,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:16,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:36:16,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:36:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:36:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:36:16,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,074 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size 33 [2021-06-10 16:36:16,074 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size [2021-06-10 16:36:16,074 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-06-10 16:36:16,075 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-10 16:36:16,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:36:16,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:36:16,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:36:16,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,093 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-06-10 16:36:16,093 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-06-10 16:36:16,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:36:16,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:36:16,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:36:16,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:36:16,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:36:16,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:16,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:36:16,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:36:16,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:16,127 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,128 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 [2021-06-10 16:36:16,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,129 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:36:16,129 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:36:16,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:36:16,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:36:16,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:36:16,141 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:36:16,141 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-06-10 16:36:16,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:36:16,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:36:16,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,168 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:36:16,169 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:36:16,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:36:16,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:36:16,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:36:16,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,170 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:36:16,171 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:36:16,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:36:16,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:16,234 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:36:16,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:36:16,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:36:16,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:36:16,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:36:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:36:16,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:36:16,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:36:16,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877823046] [2021-06-10 16:36:16,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:36:16,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:36:16,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:36:16,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:36:16,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:36:16,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 922 places, 4575 transitions, 140073 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) [2021-06-10 16:36:16,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:36:16,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:36:16,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:36:16,903 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-06-10 16:36:24,199 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][155], [Black: 7104#(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: 7093#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 7053#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7171#true, Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 6694#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 44#(= s2 s1), Black: 6631#(and (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 6585#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 6682#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (<= s1 (+ (select x i1) t12)) (<= (+ (select x i1) t12) s1) (= s2 0)) (not (= i1 (+ i2 1)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 6586#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 6635#(and (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 6587#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 6709#true, Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 6159#(and (or (= s2 s1) (not (= 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)))))), 6209#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12)), Black: 5715#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (or (not (= i2 i1)) (= t12 t11)) (= (select x i1) t11)), Black: 5621#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 5653#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 611#true, 1635#true, Black: 7224#(and (or (= (+ s2 i1 t12) (+ s1 2)) (not (= i2 i1))) (= 2 i1) (or (= t12 s2) (not (= i1 (+ i2 1))))), Black: 7257#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= t22 s1) (<= s1 t22) (= s2 0))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 7228#(and (= 2 i1) (or (= 0 (mod s2 2)) (not (= i1 (+ i2 1)))) (or (not (= i2 i1)) (= (+ s2 i1) (+ s1 2)))), Black: 76#(<= (+ i2 1) i1), Black: 7181#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 47#true, 105#true, 7273#true, Black: 3168#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 3137#(and (or (= s2 s1) (not (= 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: 3077#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 3078#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 3119#(and (= (select x 1) s2) (= (select x i1) t21) (= (select x 1) s1)), Black: 3683#(and (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), 3191#true, Black: 3573#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), Black: 3575#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), Black: 3576#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1084#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 3577#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1085#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 3578#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1149#true, Black: 3695#(and (or (= s2 s1) (not (= 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))))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 3711#true, Black: 2118#(<= i1 i2), Black: 2125#(<= i1 (+ i2 1)), 2186#true, Black: 2578#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2581#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2664#(and (exists ((v_i1_45 Int)) (and (<= i1 (+ v_i1_45 1)) (= (+ s2 (select x v_i1_45)) s1) (< v_i1_45 n))) (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2709#true, Black: 5200#(and (= (select x 1) t22) (= (select x 1) s1) (= (select x i1) t11) (= s2 0)), Black: 5216#(and (or (= s2 s1) (not (= 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: 5168#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 5169#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5269#(and (or (not (= i2 i1)) (= t12 t11)) (or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 6719#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 5208#(and (= s2 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(- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:36:24,200 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:36:24,200 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:36:24,200 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:36:24,200 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:36:26,700 INFO L382 tUnfolder$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][155], [Black: 7104#(and (or (and 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1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:36:26,700 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:36:26,700 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:36:26,700 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:36:26,700 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:36:31,808 INFO L129 PetriNetUnfolder]: 8489/13812 cut-off events. [2021-06-10 16:36:31,808 INFO L130 PetriNetUnfolder]: For 2007396/2007497 co-relation queries the response was YES. [2021-06-10 16:36:32,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275504 conditions, 13812 events. 8489/13812 cut-off events. For 2007396/2007497 co-relation queries the response was YES. Maximal size of possible extension queue 1007. Compared 102343 event pairs, 172 based on Foata normal form. 53/13807 useless extension candidates. Maximal degree in co-relation 274840. Up to 10902 conditions per place. [2021-06-10 16:36:32,295 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3952 selfloop transitions, 829 changer transitions 0/4794 dead transitions. [2021-06-10 16:36:32,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 962 places, 4794 transitions, 164457 flow [2021-06-10 16:36:32,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-10 16:36:32,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-06-10 16:36:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 953 transitions. [2021-06-10 16:36:32,297 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8015138772077376 [2021-06-10 16:36:32,297 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 953 transitions. [2021-06-10 16:36:32,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 953 transitions. [2021-06-10 16:36:32,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:36:32,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 953 transitions. [2021-06-10 16:36:32,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 23.24390243902439) internal successors, (953), 41 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:36:32,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 29.0) internal successors, (1218), 42 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:36:32,299 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 29.0) internal successors, (1218), 42 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:36:32,299 INFO L185 Difference]: Start difference. First operand has 922 places, 4575 transitions, 140073 flow. Second operand 41 states and 953 transitions. [2021-06-10 16:36:32,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 962 places, 4794 transitions, 164457 flow [2021-06-10 16:36:46,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 4794 transitions, 162901 flow, removed 602 selfloop flow, removed 25 redundant places. [2021-06-10 16:36:46,501 INFO L241 Difference]: Finished difference. Result has 942 places, 4789 transitions, 155566 flow [2021-06-10 16:36:46,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=138518, PETRI_DIFFERENCE_MINUEND_PLACES=897, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=668, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3843, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=155566, PETRI_PLACES=942, PETRI_TRANSITIONS=4789} [2021-06-10 16:36:46,503 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 910 predicate places. [2021-06-10 16:36:46,503 INFO L480 AbstractCegarLoop]: Abstraction has has 942 places, 4789 transitions, 155566 flow [2021-06-10 16:36:46,503 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) [2021-06-10 16:36:46,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:36:46,503 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, 1] [2021-06-10 16:36:46,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 16:36:46,703 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:36:46,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:36:46,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1004985329, now seen corresponding path program 8 times [2021-06-10 16:36:46,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:36:46,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226370102] [2021-06-10 16:36:46,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:36:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:36:46,717 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:36:46,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:36:46,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:36:46,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:36:46,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:36:46,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:36:46,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 16:36:46,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 16:36:46,806 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-10 16:36:46,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:36:46,822 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-06-10 16:36:46,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:36:46,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:36:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:36:46,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226370102] [2021-06-10 16:36:46,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396978512] [2021-06-10 16:36:46,843 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 [2021-06-10 16:36:46,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 16:36:46,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:36:46,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-10 16:36:46,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:36:46,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:46,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:46,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:46,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:46,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:46,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:46,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:46,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:36:46,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:36:46,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,933 INFO L147 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size 24 [2021-06-10 16:36:46,933 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-06-10 16:36:46,934 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-06-10 16:36:46,934 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-06-10 16:36:46,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:36:46,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:36:46,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:36:46,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:36:46,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:36:46,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 16:36:46,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 16:36:46,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,973 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-10 16:36:46,973 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-10 16:36:46,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:36:46,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:36:46,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:36:46,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,992 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-10 16:36:46,992 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-06-10 16:36:46,993 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-06-10 16:36:46,993 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-10 16:36:46,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:36:46,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:46,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:36:47,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 16:36:47,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:36:47,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:36:47,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:36:47,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:36:47,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:36:47,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:36:47,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:47,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:36:47,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:36:47,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 16:36:47,048 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,048 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 20 treesize of output 36 [2021-06-10 16:36:47,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,049 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-06-10 16:36:47,049 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 16:36:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:36:47,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:36:47,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:36:47,062 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:36:47,062 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-06-10 16:36:47,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:36:47,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:36:47,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,089 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-06-10 16:36:47,090 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-10 16:36:47,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:36:47,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:36:47,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 16:36:47,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,091 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 16:36:47,092 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:36:47,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 16:36:47,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 16:36:47,155 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-06-10 16:36:47,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:36:47,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:36:47,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:36:47,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:36:47,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:36:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:36:47,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:36:47,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:36:47,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557455589] [2021-06-10 16:36:47,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:36:47,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:36:47,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:36:47,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:36:47,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:36:47,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 942 places, 4789 transitions, 155566 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) [2021-06-10 16:36:47,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:36:47,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:36:47,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 16:36:56,013 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][155], [Black: 7104#(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: 7093#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 7053#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7171#true, Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 17#L24true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 6694#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 44#(= s2 s1), Black: 6631#(and (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 6585#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 6682#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (<= s1 (+ (select x i1) t12)) (<= (+ (select x i1) t12) s1) (= s2 0)) (not (= i1 (+ i2 1)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 6586#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 6635#(and (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 6587#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 6709#true, Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 6159#(and (or (= s2 s1) (not (= 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)))))), 6209#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12)), Black: 5715#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (or (not (= i2 i1)) (= t12 t11)) (= (select x i1) t11)), Black: 5621#(and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 5653#(and (= (+ s2 (select x (+ s2 1))) s1) (= (select x (+ s2 1)) t12) (= (select x i1) t11)), Black: 5623#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5624#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 5657#(and (exists ((t12 Int)) (and (= t12 (select x (+ s2 (* t12 (- 1)) 1))) (= (+ s2 (select x (+ s2 (* t12 (- 1)) 1))) (+ s1 t12)))) (= (select x i1) t11)), Black: 5709#(and (or (not (= i2 i1)) (= t12 t11)) (<= s2 s1) (<= s1 s2) (= (select x i1) t11)), Black: 4071#(or (<= (+ i2 2) i1) (and (<= s2 s1) (= (select x i1) t21) (<= s1 s2)) (<= i1 i2)), 5725#true, Black: 4072#(or (<= (+ i1 1) i2) (and (= t12 t21) (<= s2 s1) (<= s1 s2)) (<= (+ i2 1) i1)), Black: 1553#(and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 4073#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1555#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4074#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1587#(= s2 s1), Black: 571#(and (or (= t22 s1) (not (= i2 i1))) (= s2 0)), Black: 1579#(and (= s1 0) (= s1 i1) (= s2 (+ s1 (select x (+ s1 1))))), 4193#true, Black: 543#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 1628#(and (<= s2 (+ s1 (select x i2))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))) (<= (+ s1 (select x i2)) s2)), 611#true, 1635#true, Black: 7224#(and (or (= (+ s2 i1 t12) (+ s1 2)) (not (= i2 i1))) (= 2 i1) (or (= t12 s2) (not (= i1 (+ i2 1))))), Black: 7257#(and (or (not (= i2 i1)) (and (= t12 t21) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= t22 s1) (<= s1 t22) (= s2 0))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= 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s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 921#true, 2460#true, Black: 1927#(and (= s1 0) (or (not (= i2 i1)) (= s2 (+ s1 t21)))), Black: 1899#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6465#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6467#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6566#(and (= i2 1) (= (+ i2 (select x i2)) (+ s2 1)) (= (+ (select x i1) i2 (select x i2)) (+ s1 1)) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), 6577#true, Black: 4933#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 4935#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 4972#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 5051#true, Black: 1417#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 1418#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 394#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 6016#(and (or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 462#true, Black: 5972#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6020#(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: 5973#(or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))), Black: 5974#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), 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1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), 5614#true, Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 3568#true, 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:36:56,013 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-06-10 16:36:56,013 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-06-10 16:36:56,013 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:36:56,013 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-10 16:36:58,864 INFO L382 tUnfolder$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][155], [Black: 7104#(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: 7093#(and (or (not (= i2 i1)) (= t21 s2)) (or (not (= i1 1)) (= t12 t21)) (= t12 s1) (or (not (= i2 1)) (= t12 s2))), Black: 7053#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 7171#true, Black: 2561#(and (= (select x (+ s2 1)) t22) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 2563#(and (exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1)))), Black: 2469#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 2470#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2510#(exists ((t22 Int)) (and (= (+ s2 (select x i1) (select x (+ s2 (* t22 (- 1)) 1))) (+ s1 t22)) (= (select x (+ s2 (* t22 (- 1)) 1)) t22))), 10#L49true, Black: 1516#(and (or (not (= i2 i1)) (and (<= t12 s1) (<= s1 t12))) (= s2 0)), 2571#true, Black: 1486#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1549#true, 15#L63true, 18#L36true, 21#L79true, Black: 499#(and (= s1 0) (or (= (+ s1 t11) s2) (not (= i2 i1)))), Black: 468#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 29#L23true, Black: 5104#(and (or (not (= i1 1)) (= s1 (* 2 s2))) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 5108#(and (or (= s2 s1) (not (= 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)))))), 5159#true, Black: 6694#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 44#(= s2 s1), Black: 6631#(and (= 2 i1) (or (not (= i2 1)) (= t12 s2)) (or (= s1 (+ s2 t12)) (not (= i2 i1)))), Black: 6585#(or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))), Black: 6682#(and (or (and (<= s1 (+ t12 t22)) (= s2 0) (<= (+ t12 t22) s1)) (not (= i2 i1))) (or (and (<= s1 (+ (select x i1) t12)) (<= (+ (select x i1) t12) s1) (= s2 0)) (not (= i1 (+ i2 1)))) (or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 6586#(or (and (<= s1 (+ s2 t12)) (<= (+ s2 t12) s1)) (not (= i2 i1))), Black: 6635#(and (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))) (= 2 i1)), Black: 6587#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 6709#true, Black: 1015#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 54#(<= i2 i1), 1079#true, Black: 2033#true, Black: 2043#(<= i2 i1), 2108#true, Black: 6159#(and (or (= s2 s1) (not (= 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)))))), 6209#true, Black: 4626#(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: 4578#(or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1))), Black: 4579#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 4622#(and (or (not (= i2 i1)) (= s2 (+ s1 t21))) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), 4685#true, Black: 5649#(and (= (+ s2 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i2 i1))), 7043#true, Black: 3384#(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: 3449#(and (<= (select x (+ i1 (- 1))) s1) (or (and (<= t12 s1) (<= s1 t12)) (not (= i1 (+ i2 1)))) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t21) (= s2 0)), 3462#true, Black: 2899#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 2907#(and (or (= s2 s1) (not (= 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: 2336#(and (<= (select x (+ i1 (- 1))) s1) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2961#true, Black: 2337#(and (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 2340#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2356#(and (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (= s2 0)), Black: 2389#(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: 2341#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2438#(and (= (select x (+ s2 1)) t12) (<= s1 (+ (select x i1) (select x (+ i1 (- 1))))) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (<= (+ (select x i1) (select x (+ i1 (- 1)))) s1) (= s2 0)), Black: 857#(and (<= (select x i1) s1) (<= s1 (select x i1)) (= s2 0)), Black: 2374#(and (= (select x (+ s2 1)) t12) (= s1 (+ s2 (select x i1) (select x (+ s2 1)))) (= s2 0)), Black: 859#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 921#true, Black: 2424#(and (<= (select x (+ i1 (- 1))) s1) (= (+ s2 (select x (+ s2 1))) s1) (= s2 i2) (<= s1 (select x (+ i1 (- 1)))) (= (select x i1) t11) (= s2 0)), 2460#true, 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(or (= (+ s1 t11) s2) (not (= i2 i1))) (or (not (= i1 1)) (= t11 s1)) (or (not (= i2 1)) (= (* 2 s1) s2))), Black: 5972#(or (and (<= s2 s1) (<= s1 s2) (= (select x i1) t11)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 6020#(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: 5973#(or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))), Black: 5974#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 5975#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 6088#(and (or (not (= i2 i1)) (and (= t12 t11) (<= s2 s1) (<= s1 s2))) (or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2)))), Black: 6008#(and (= (select x 1) s2) (= (select x 1) s1) (= (select x i1) t11)), Black: 4513#(and (= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1) (= (select x i2) t12)), Black: 4500#(= (+ s2 (select x i1) (select x (+ i1 (- 1)))) s1), Black: 4477#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4569#true, Black: 4048#(and (or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1))) (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 3989#(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: 3941#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 4038#(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 (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))) (or (= s2 s1) (not (= i2 i1)))), Black: 4054#(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)) (or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))), Black: 3942#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 4064#true, Black: 5558#(and (or (not (= i2 i1)) (= s1 (+ s2 t22))) (or (not (= i2 1)) (= t22 s2)) (or (not (= i1 1)) (= s1 (* 2 t22)))), Black: 5562#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 5550#(and (= (select x 1) t22) (= (+ (select x i1) (select x 1)) s1) (= s2 0)), Black: 1002#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (or (and (<= (+ s1 t21) s2) (<= s2 (+ s1 t21))) (not (= i2 i1)))), Black: 3511#(and (or (not (= i2 i1)) (= t21 s2)) (= t22 s1) (or (not (= i1 1)) (= t21 s1)) (or (not (= i2 1)) (= s2 s1))), 5614#true, Black: 3519#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 1970#(or (not (= i2 i1)) (and (<= s2 (+ s1 t11)) (<= (+ s1 t11) s2))), Black: 959#(and (= i1 1) (or (= s2 s1) (not (= i2 i1)))), 3568#true, Black: 1971#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2037#(<= (+ i2 1) i1), Black: 3018#(and (or (= s2 s1) (not (= i2 i1))) (or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0))) (and (or (not (= i1 1)) (= (* 2 (div (* s2 (- 1)) (- 2))) s1)) (= (mod s2 (- 2)) 0)))), Black: 2970#(or (not (= i2 i1)) (and (<= (+ s2 t22) s1) (<= s1 (+ s2 t22)))), Black: 2971#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 3068#true]) [2021-06-10 16:36:58,865 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-06-10 16:36:58,865 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-10 16:36:58,865 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-06-10 16:36:58,865 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-06-10 16:37:04,734 INFO L129 PetriNetUnfolder]: 8627/14053 cut-off events. [2021-06-10 16:37:04,734 INFO L130 PetriNetUnfolder]: For 2147020/2147171 co-relation queries the response was YES. [2021-06-10 16:37:05,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287275 conditions, 14053 events. 8627/14053 cut-off events. For 2147020/2147171 co-relation queries the response was YES. Maximal size of possible extension queue 1034. Compared 104537 event pairs, 193 based on Foata normal form. 73/14063 useless extension candidates. Maximal degree in co-relation 286604. Up to 11253 conditions per place. [2021-06-10 16:37:05,254 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 4308 selfloop transitions, 601 changer transitions 0/4922 dead transitions. [2021-06-10 16:37:05,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 980 places, 4922 transitions, 175342 flow [2021-06-10 16:37:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-10 16:37:05,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-06-10 16:37:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 902 transitions. [2021-06-10 16:37:05,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7975243147656941 [2021-06-10 16:37:05,255 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 902 transitions. [2021-06-10 16:37:05,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 902 transitions. [2021-06-10 16:37:05,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 16:37:05,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 902 transitions. [2021-06-10 16:37:05,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 23.128205128205128) internal successors, (902), 39 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:37:05,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 29.0) internal successors, (1160), 40 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:37:05,258 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 29.0) internal successors, (1160), 40 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 16:37:05,258 INFO L185 Difference]: Start difference. First operand has 942 places, 4789 transitions, 155566 flow. Second operand 39 states and 902 transitions. [2021-06-10 16:37:05,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 980 places, 4922 transitions, 175342 flow [2021-06-10 16:37:21,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 953 places, 4922 transitions, 167758 flow, removed 3586 selfloop flow, removed 27 redundant places. [2021-06-10 16:37:21,767 INFO L241 Difference]: Finished difference. Result has 958 places, 4917 transitions, 159251 flow [2021-06-10 16:37:21,770 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=147982, PETRI_DIFFERENCE_MINUEND_PLACES=915, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=501, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=159251, PETRI_PLACES=958, PETRI_TRANSITIONS=4917} [2021-06-10 16:37:21,770 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 926 predicate places. [2021-06-10 16:37:21,770 INFO L480 AbstractCegarLoop]: Abstraction has has 958 places, 4917 transitions, 159251 flow [2021-06-10 16:37:21,770 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) [2021-06-10 16:37:21,770 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 16:37:21,770 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, 1] [2021-06-10 16:37:21,970 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable133 [2021-06-10 16:37:21,971 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 16:37:21,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 16:37:21,971 INFO L82 PathProgramCache]: Analyzing trace with hash -86024527, now seen corresponding path program 23 times [2021-06-10 16:37:21,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 16:37:21,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814486509] [2021-06-10 16:37:21,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 16:37:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 16:37:21,982 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-10 16:37:21,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 16:37:21,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:21,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 16:37:21,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:21,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:37:22,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 16:37:22,021 INFO L142 QuantifierPusher]: treesize reduction 29, result has 43.1 percent of original size [2021-06-10 16:37:22,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:37:22,040 INFO L142 QuantifierPusher]: treesize reduction 29, result has 39.6 percent of original size [2021-06-10 16:37:22,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:37:22,059 INFO L142 QuantifierPusher]: treesize reduction 27, result has 44.9 percent of original size [2021-06-10 16:37:22,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:37:22,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 16:37:22,096 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-10 16:37:22,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 16:37:22,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:37:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:37:22,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814486509] [2021-06-10 16:37:22,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012786976] [2021-06-10 16:37:22,115 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 [2021-06-10 16:37:22,145 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-10 16:37:22,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 16:37:22,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-10 16:37:22,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 16:37:22,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:37:22,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:37:22,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:37:22,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:37:22,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:37:22,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:37:22,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:37:22,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 16:37:22,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:37:22,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:37:22,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:37:22,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 16:37:22,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 16:37:22,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,197 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-10 16:37:22,198 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-10 16:37:22,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:37:22,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:37:22,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:37:22,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:37:22,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:37:22,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 16:37:22,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 16:37:22,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:37:22,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:37:22,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 16:37:22,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:37:22,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,286 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size 31 [2021-06-10 16:37:22,287 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-10 16:37:22,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:37:22,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:37:22,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,315 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.2 percent of original size 32 [2021-06-10 16:37:22,316 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.1 percent of original size [2021-06-10 16:37:22,316 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-06-10 16:37:22,317 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-06-10 16:37:22,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:37:22,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:37:22,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:37:22,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:37:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:37:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 16:37:22,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 16:37:22,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:37:22,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:37:22,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:37:22,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 16:37:22,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 16:37:22,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 16:37:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-10 16:37:22,364 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,364 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 31 treesize of output 37 [2021-06-10 16:37:22,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,366 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-06-10 16:37:22,366 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-06-10 16:37:22,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 16:37:22,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 16:37:22,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:37:22,380 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-10 16:37:22,380 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:28 [2021-06-10 16:37:22,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:37:22,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 16:37:22,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,413 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size 28 [2021-06-10 16:37:22,414 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-06-10 16:37:22,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-10 16:37:22,466 INFO L142 QuantifierPusher]: treesize reduction 35, result has 2.8 percent of original size [2021-06-10 16:37:22,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:37:22,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:37:22,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:37:22,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 16:37:22,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 16:37:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 16:37:22,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 16:37:22,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-10 16:37:22,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561999371] [2021-06-10 16:37:22,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-10 16:37:22,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 16:37:22,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-10 16:37:22,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2021-06-10 16:37:22,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-06-10 16:37:22,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 958 places, 4917 transitions, 159251 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) [2021-06-10 16:37:22,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 16:37:22,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-06-10 16:37:22,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-06-10 16:37:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-10 16:37:25,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-06-10 16:37:25,594 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-10 16:37:25,597 WARN L224 ceAbstractionStarter]: Timeout [2021-06-10 16:37:25,598 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 04:37:25 BasicIcfg [2021-06-10 16:37:25,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 16:37:25,598 INFO L168 Benchmark]: Toolchain (without parser) took 793498.01 ms. Allocated memory was 341.8 MB in the beginning and 14.5 GB in the end (delta: 14.2 GB). Free memory was 321.7 MB in the beginning and 12.9 GB in the end (delta: -12.6 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.0 GB. [2021-06-10 16:37:25,598 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 341.8 MB. Free memory was 322.9 MB in the beginning and 322.8 MB in the end (delta: 65.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 16:37:25,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.90 ms. Allocated memory is still 341.8 MB. Free memory was 321.6 MB in the beginning and 320.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 16:37:25,598 INFO L168 Benchmark]: Boogie Preprocessor took 27.90 ms. Allocated memory is still 341.8 MB. Free memory was 320.2 MB in the beginning and 319.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-10 16:37:25,598 INFO L168 Benchmark]: RCFGBuilder took 329.95 ms. Allocated memory is still 341.8 MB. Free memory was 319.0 MB in the beginning and 304.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-10 16:37:25,598 INFO L168 Benchmark]: TraceAbstraction took 793108.94 ms. Allocated memory was 341.8 MB in the beginning and 14.5 GB in the end (delta: 14.2 GB). Free memory was 303.6 MB in the beginning and 12.9 GB in the end (delta: -12.6 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.0 GB. [2021-06-10 16:37:25,599 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 0.13 ms. Allocated memory is still 341.8 MB. Free memory was 322.9 MB in the beginning and 322.8 MB in the end (delta: 65.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.90 ms. Allocated memory is still 341.8 MB. Free memory was 321.6 MB in the beginning and 320.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.90 ms. Allocated memory is still 341.8 MB. Free memory was 320.2 MB in the beginning and 319.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 329.95 ms. Allocated memory is still 341.8 MB. Free memory was 319.0 MB in the beginning and 304.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 793108.94 ms. Allocated memory was 341.8 MB in the beginning and 14.5 GB in the end (delta: 14.2 GB). Free memory was 303.6 MB in the beginning and 12.9 GB in the end (delta: -12.6 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 85). Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (20states, 18/29 universal loopers) in iteration 76,while PetriNetUnfolder was constructing finite prefix that currently has 20387 conditions, 813 events (447/812 cut-off events. For 143058/143209 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 6796 event pairs, 0 based on Foata normal form. 61/1417 useless extension candidates. Maximal degree in co-relation 20051. Up to 638 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 792949.8ms, OverallIterations: 76, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 748252.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 52.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 204 SDtfs, 840 SDslu, 88 SDs, 0 SdLazy, 36361 SolverSat, 3985 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16509.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2957 GetRequests, 1079 SyntacticMatches, 57 SemanticMatches, 1821 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11607 ImplicationChecksByTransitivity, 44849.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=159251occurred in iteration=75, InterpolantAutomatonStates: 1616, 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: 506.2ms SsaConstructionTime, 1151.8ms SatisfiabilityAnalysisTime, 25817.5ms InterpolantComputationTime, 3233 NumberOfCodeBlocks, 3233 NumberOfCodeBlocksAsserted, 242 NumberOfCheckSat, 3082 ConstructedInterpolants, 8 QuantifiedInterpolants, 51876 SizeOfPredicates, 485 NumberOfNonLiveVariables, 6194 ConjunctsInSsa, 1818 ConjunctsInUnsatCore, 151 InterpolantComputations, 4 PerfectInterpolantSequences, 18/596 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